Home / 52,123.24-71,929.26-28,249.72

Finding the Fourth Proportional to 52,123.24, 71,929.26 and 28,249.72

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Solution

The fourth proportional to 52,123.24, 71,929.26 and 28,249.72 is: 38,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123.24 : 71,929.26 = 28,249.72 : x
  2. Step 2: Convert to fraction form
    52,123.24/71,929.26 = 28,249.72/x
  3. Step 3: Cross multiply
    52,123.24x = 71,929.26 × 28,249.72
  4. Step 4: Simplify right side
    52,123.24x = 2,031,981,454.81
  5. Step 5: Solve for x
    x = 2,031,981,454.81/52,123.24
  6. Step 6: Final answer
    x = 38,984.17

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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.