Home / 45,032.01-67,218.26-39,711.78

Finding the Fourth Proportional to 45,032.01, 67,218.26 and 39,711.78

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Solution

The fourth proportional to 45,032.01, 67,218.26 and 39,711.78 is: 59,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,032.01 : 67,218.26 = 39,711.78 : x
  2. Step 2: Convert to fraction form
    45,032.01/67,218.26 = 39,711.78/x
  3. Step 3: Cross multiply
    45,032.01x = 67,218.26 × 39,711.78
  4. Step 4: Simplify right side
    45,032.01x = 2,669,356,753.10
  5. Step 5: Solve for x
    x = 2,669,356,753.10/45,032.01
  6. Step 6: Final answer
    x = 59,276.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.