Home / 31,649.48-47,474.68-8,275.92

Finding the Fourth Proportional to 31,649.48, 47,474.68 and 8,275.92

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Solution

The fourth proportional to 31,649.48, 47,474.68 and 8,275.92 is: 12,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,649.48 : 47,474.68 = 8,275.92 : x
  2. Step 2: Convert to fraction form
    31,649.48/47,474.68 = 8,275.92/x
  3. Step 3: Cross multiply
    31,649.48x = 47,474.68 × 8,275.92
  4. Step 4: Simplify right side
    31,649.48x = 392,896,760.82
  5. Step 5: Solve for x
    x = 392,896,760.82/31,649.48
  6. Step 6: Final answer
    x = 12,414.00

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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.