Home / 67,513.47-93,165.73-38,830.97

Finding the Fourth Proportional to 67,513.47, 93,165.73 and 38,830.97

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Solution

The fourth proportional to 67,513.47, 93,165.73 and 38,830.97 is: 53,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.47 : 93,165.73 = 38,830.97 : x
  2. Step 2: Convert to fraction form
    67,513.47/93,165.73 = 38,830.97/x
  3. Step 3: Cross multiply
    67,513.47x = 93,165.73 × 38,830.97
  4. Step 4: Simplify right side
    67,513.47x = 3,617,715,006.67
  5. Step 5: Solve for x
    x = 3,617,715,006.67/67,513.47
  6. Step 6: Final answer
    x = 53,585.08

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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.