Home / 67,677.43-93,404.85-38,991.62

Finding the Fourth Proportional to 67,677.43, 93,404.85 and 38,991.62

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Solution

The fourth proportional to 67,677.43, 93,404.85 and 38,991.62 is: 53,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,677.43 : 93,404.85 = 38,991.62 : x
  2. Step 2: Convert to fraction form
    67,677.43/93,404.85 = 38,991.62/x
  3. Step 3: Cross multiply
    67,677.43x = 93,404.85 × 38,991.62
  4. Step 4: Simplify right side
    67,677.43x = 3,642,006,417.36
  5. Step 5: Solve for x
    x = 3,642,006,417.36/67,677.43
  6. Step 6: Final answer
    x = 53,814.20

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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.