Home / 42,670.36-58,841.40-28,325.13

Finding the Fourth Proportional to 42,670.36, 58,841.40 and 28,325.13

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Solution

The fourth proportional to 42,670.36, 58,841.40 and 28,325.13 is: 39,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,670.36 : 58,841.40 = 28,325.13 : x
  2. Step 2: Convert to fraction form
    42,670.36/58,841.40 = 28,325.13/x
  3. Step 3: Cross multiply
    42,670.36x = 58,841.40 × 28,325.13
  4. Step 4: Simplify right side
    42,670.36x = 1,666,690,304.38
  5. Step 5: Solve for x
    x = 1,666,690,304.38/42,670.36
  6. Step 6: Final answer
    x = 39,059.67

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Half scale
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Double scale
Find fourth proportional to 42,671.36, 58,842.78 and 28,326.13
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.