Home / 31,437.44-47,154.96-10,660.92

Finding the Fourth Proportional to 31,437.44, 47,154.96 and 10,660.92

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Solution

The fourth proportional to 31,437.44, 47,154.96 and 10,660.92 is: 15,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.44 : 47,154.96 = 10,660.92 : x
  2. Step 2: Convert to fraction form
    31,437.44/47,154.96 = 10,660.92/x
  3. Step 3: Cross multiply
    31,437.44x = 47,154.96 × 10,660.92
  4. Step 4: Simplify right side
    31,437.44x = 502,715,256.16
  5. Step 5: Solve for x
    x = 502,715,256.16/31,437.44
  6. Step 6: Final answer
    x = 15,990.97

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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.