Home / 47,831.50-71,736.28-14,088.79

Finding the Fourth Proportional to 47,831.50, 71,736.28 and 14,088.79

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Solution

The fourth proportional to 47,831.50, 71,736.28 and 14,088.79 is: 21,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.50 : 71,736.28 = 14,088.79 : x
  2. Step 2: Convert to fraction form
    47,831.50/71,736.28 = 14,088.79/x
  3. Step 3: Cross multiply
    47,831.50x = 71,736.28 × 14,088.79
  4. Step 4: Simplify right side
    47,831.50x = 1,010,677,384.30
  5. Step 5: Solve for x
    x = 1,010,677,384.30/47,831.50
  6. Step 6: Final answer
    x = 21,129.95

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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.