Home / 51,831.76-71,527.15-29,170.78

Finding the Fourth Proportional to 51,831.76, 71,527.15 and 29,170.78

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Solution

The fourth proportional to 51,831.76, 71,527.15 and 29,170.78 is: 40,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.76 : 71,527.15 = 29,170.78 : x
  2. Step 2: Convert to fraction form
    51,831.76/71,527.15 = 29,170.78/x
  3. Step 3: Cross multiply
    51,831.76x = 71,527.15 × 29,170.78
  4. Step 4: Simplify right side
    51,831.76x = 2,086,502,756.68
  5. Step 5: Solve for x
    x = 2,086,502,756.68/51,831.76
  6. Step 6: Final answer
    x = 40,255.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.