Home / 37,747.92-52,092-20,753.28

Finding the Fourth Proportional to 37,747.92, 52,092 and 20,753.28

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Solution

The fourth proportional to 37,747.92, 52,092 and 20,753.28 is: 28,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,747.92 : 52,092 = 20,753.28 : x
  2. Step 2: Convert to fraction form
    37,747.92/52,092 = 20,753.28/x
  3. Step 3: Cross multiply
    37,747.92x = 52,092 × 20,753.28
  4. Step 4: Simplify right side
    37,747.92x = 1,081,079,861.76
  5. Step 5: Solve for x
    x = 1,081,079,861.76/37,747.92
  6. Step 6: Final answer
    x = 28,639.46

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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.