Home / 67,486.97-93,126.54-38,805.18

Finding the Fourth Proportional to 67,486.97, 93,126.54 and 38,805.18

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Solution

The fourth proportional to 67,486.97, 93,126.54 and 38,805.18 is: 53,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,486.97 : 93,126.54 = 38,805.18 : x
  2. Step 2: Convert to fraction form
    67,486.97/93,126.54 = 38,805.18/x
  3. Step 3: Cross multiply
    67,486.97x = 93,126.54 × 38,805.18
  4. Step 4: Simplify right side
    67,486.97x = 3,613,791,943.77
  5. Step 5: Solve for x
    x = 3,613,791,943.77/67,486.97
  6. Step 6: Final answer
    x = 53,547.99

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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.