Home / 41,123.70-61,687.17-13,421.70

Finding the Fourth Proportional to 41,123.70, 61,687.17 and 13,421.70

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Solution

The fourth proportional to 41,123.70, 61,687.17 and 13,421.70 is: 20,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.70 : 61,687.17 = 13,421.70 : x
  2. Step 2: Convert to fraction form
    41,123.70/61,687.17 = 13,421.70/x
  3. Step 3: Cross multiply
    41,123.70x = 61,687.17 × 13,421.70
  4. Step 4: Simplify right side
    41,123.70x = 827,946,689.59
  5. Step 5: Solve for x
    x = 827,946,689.59/41,123.70
  6. Step 6: Final answer
    x = 20,133.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.