Home / 42,704.76-58,902.93-29,277.21

Finding the Fourth Proportional to 42,704.76, 58,902.93 and 29,277.21

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Solution

The fourth proportional to 42,704.76, 58,902.93 and 29,277.21 is: 40,382.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704.76 : 58,902.93 = 29,277.21 : x
  2. Step 2: Convert to fraction form
    42,704.76/58,902.93 = 29,277.21/x
  3. Step 3: Cross multiply
    42,704.76x = 58,902.93 × 29,277.21
  4. Step 4: Simplify right side
    42,704.76x = 1,724,513,451.23
  5. Step 5: Solve for x
    x = 1,724,513,451.23/42,704.76
  6. Step 6: Final answer
    x = 40,382.23

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Half scale
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Double scale
Find fourth proportional to 42,705.76, 58,904.31 and 29,278.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.