Home / 42,001.92-62,947.44-19,784.88

Finding the Fourth Proportional to 42,001.92, 62,947.44 and 19,784.88

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Solution

The fourth proportional to 42,001.92, 62,947.44 and 19,784.88 is: 29,651.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.92 : 62,947.44 = 19,784.88 : x
  2. Step 2: Convert to fraction form
    42,001.92/62,947.44 = 19,784.88/x
  3. Step 3: Cross multiply
    42,001.92x = 62,947.44 × 19,784.88
  4. Step 4: Simplify right side
    42,001.92x = 1,245,407,546.71
  5. Step 5: Solve for x
    x = 1,245,407,546.71/42,001.92
  6. Step 6: Final answer
    x = 29,651.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.