Home / 52,178.46-72,001.89-29,516.28

Finding the Fourth Proportional to 52,178.46, 72,001.89 and 29,516.28

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Solution

The fourth proportional to 52,178.46, 72,001.89 and 29,516.28 is: 40,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.46 : 72,001.89 = 29,516.28 : x
  2. Step 2: Convert to fraction form
    52,178.46/72,001.89 = 29,516.28/x
  3. Step 3: Cross multiply
    52,178.46x = 72,001.89 × 29,516.28
  4. Step 4: Simplify right side
    52,178.46x = 2,125,227,945.77
  5. Step 5: Solve for x
    x = 2,125,227,945.77/52,178.46
  6. Step 6: Final answer
    x = 40,729.99

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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.