Home / 31,374.48-47,073.92-13,831.92

Finding the Fourth Proportional to 31,374.48, 47,073.92 and 13,831.92

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Solution

The fourth proportional to 31,374.48, 47,073.92 and 13,831.92 is: 20,753.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.48 : 47,073.92 = 13,831.92 : x
  2. Step 2: Convert to fraction form
    31,374.48/47,073.92 = 13,831.92/x
  3. Step 3: Cross multiply
    31,374.48x = 47,073.92 × 13,831.92
  4. Step 4: Simplify right side
    31,374.48x = 651,122,695.53
  5. Step 5: Solve for x
    x = 651,122,695.53/31,374.48
  6. Step 6: Final answer
    x = 20,753.26

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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.