Home / 42,957.33-64,397.10-15,248.85

Finding the Fourth Proportional to 42,957.33, 64,397.10 and 15,248.85

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Solution

The fourth proportional to 42,957.33, 64,397.10 and 15,248.85 is: 22,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,957.33 : 64,397.10 = 15,248.85 : x
  2. Step 2: Convert to fraction form
    42,957.33/64,397.10 = 15,248.85/x
  3. Step 3: Cross multiply
    42,957.33x = 64,397.10 × 15,248.85
  4. Step 4: Simplify right side
    42,957.33x = 981,981,718.34
  5. Step 5: Solve for x
    x = 981,981,718.34/42,957.33
  6. Step 6: Final answer
    x = 22,859.47

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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.