Home / 51,831.52-71,531.11-29,172.68

Finding the Fourth Proportional to 51,831.52, 71,531.11 and 29,172.68

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Solution

The fourth proportional to 51,831.52, 71,531.11 and 29,172.68 is: 40,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,831.52 : 71,531.11 = 29,172.68 : x
  2. Step 2: Convert to fraction form
    51,831.52/71,531.11 = 29,172.68/x
  3. Step 3: Cross multiply
    51,831.52x = 71,531.11 × 29,172.68
  4. Step 4: Simplify right side
    51,831.52x = 2,086,754,182.07
  5. Step 5: Solve for x
    x = 2,086,754,182.07/51,831.52
  6. Step 6: Final answer
    x = 40,260.33

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1.5x scale

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.