Home / 71,426.02-98,565.76-39,159.97

Finding the Fourth Proportional to 71,426.02, 98,565.76 and 39,159.97

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Solution

The fourth proportional to 71,426.02, 98,565.76 and 39,159.97 is: 54,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,426.02 : 98,565.76 = 39,159.97 : x
  2. Step 2: Convert to fraction form
    71,426.02/98,565.76 = 39,159.97/x
  3. Step 3: Cross multiply
    71,426.02x = 98,565.76 × 39,159.97
  4. Step 4: Simplify right side
    71,426.02x = 3,859,832,204.63
  5. Step 5: Solve for x
    x = 3,859,832,204.63/71,426.02
  6. Step 6: Final answer
    x = 54,039.58

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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.