Home / 67,666.95-93,388.41-39,372.57

Finding the Fourth Proportional to 67,666.95, 93,388.41 and 39,372.57

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Solution

The fourth proportional to 67,666.95, 93,388.41 and 39,372.57 is: 54,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,666.95 : 93,388.41 = 39,372.57 : x
  2. Step 2: Convert to fraction form
    67,666.95/93,388.41 = 39,372.57/x
  3. Step 3: Cross multiply
    67,666.95x = 93,388.41 × 39,372.57
  4. Step 4: Simplify right side
    67,666.95x = 3,676,941,709.91
  5. Step 5: Solve for x
    x = 3,676,941,709.91/67,666.95
  6. Step 6: Final answer
    x = 54,338.81

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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.