Home / 37,712.52-56,568.92-12,752.78

Finding the Fourth Proportional to 37,712.52, 56,568.92 and 12,752.78

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Solution

The fourth proportional to 37,712.52, 56,568.92 and 12,752.78 is: 19,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,712.52 : 56,568.92 = 12,752.78 : x
  2. Step 2: Convert to fraction form
    37,712.52/56,568.92 = 12,752.78/x
  3. Step 3: Cross multiply
    37,712.52x = 56,568.92 × 12,752.78
  4. Step 4: Simplify right side
    37,712.52x = 721,410,644.99
  5. Step 5: Solve for x
    x = 721,410,644.99/37,712.52
  6. Step 6: Final answer
    x = 19,129.21

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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.