Home / 31,373.96-47,073.18-13,831.46

Finding the Fourth Proportional to 31,373.96, 47,073.18 and 13,831.46

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Solution

The fourth proportional to 31,373.96, 47,073.18 and 13,831.46 is: 20,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.96 : 47,073.18 = 13,831.46 : x
  2. Step 2: Convert to fraction form
    31,373.96/47,073.18 = 13,831.46/x
  3. Step 3: Cross multiply
    31,373.96x = 47,073.18 × 13,831.46
  4. Step 4: Simplify right side
    31,373.96x = 651,090,806.24
  5. Step 5: Solve for x
    x = 651,090,806.24/31,373.96
  6. Step 6: Final answer
    x = 20,752.59

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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.