Home / 42,040.76-58,039.98-27,912.92

Finding the Fourth Proportional to 42,040.76, 58,039.98 and 27,912.92

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Solution

The fourth proportional to 42,040.76, 58,039.98 and 27,912.92 is: 38,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.76 : 58,039.98 = 27,912.92 : x
  2. Step 2: Convert to fraction form
    42,040.76/58,039.98 = 27,912.92/x
  3. Step 3: Cross multiply
    42,040.76x = 58,039.98 × 27,912.92
  4. Step 4: Simplify right side
    42,040.76x = 1,620,065,318.54
  5. Step 5: Solve for x
    x = 1,620,065,318.54/42,040.76
  6. Step 6: Final answer
    x = 38,535.59

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Half scale
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Double scale
Find fourth proportional to 42,041.76, 58,041.36 and 27,913.92
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.