Home / 31,831.11-47,674.02-15,202.86

Finding the Fourth Proportional to 31,831.11, 47,674.02 and 15,202.86

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Solution

The fourth proportional to 31,831.11, 47,674.02 and 15,202.86 is: 22,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.11 : 47,674.02 = 15,202.86 : x
  2. Step 2: Convert to fraction form
    31,831.11/47,674.02 = 15,202.86/x
  3. Step 3: Cross multiply
    31,831.11x = 47,674.02 × 15,202.86
  4. Step 4: Simplify right side
    31,831.11x = 724,781,451.70
  5. Step 5: Solve for x
    x = 724,781,451.70/31,831.11
  6. Step 6: Final answer
    x = 22,769.59

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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.