Home / 67,513.41-93,168.51-39,220.92

Finding the Fourth Proportional to 67,513.41, 93,168.51 and 39,220.92

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Solution

The fourth proportional to 67,513.41, 93,168.51 and 39,220.92 is: 54,124.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,513.41 : 93,168.51 = 39,220.92 : x
  2. Step 2: Convert to fraction form
    67,513.41/93,168.51 = 39,220.92/x
  3. Step 3: Cross multiply
    67,513.41x = 93,168.51 × 39,220.92
  4. Step 4: Simplify right side
    67,513.41x = 3,654,154,677.23
  5. Step 5: Solve for x
    x = 3,654,154,677.23/67,513.41
  6. Step 6: Final answer
    x = 54,124.87

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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.