Home / 47,838.92-71,711.51-17,831.21

Finding the Fourth Proportional to 47,838.92, 71,711.51 and 17,831.21

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Solution

The fourth proportional to 47,838.92, 71,711.51 and 17,831.21 is: 26,729.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.92 : 71,711.51 = 17,831.21 : x
  2. Step 2: Convert to fraction form
    47,838.92/71,711.51 = 17,831.21/x
  3. Step 3: Cross multiply
    47,838.92x = 71,711.51 × 17,831.21
  4. Step 4: Simplify right side
    47,838.92x = 1,278,702,546.51
  5. Step 5: Solve for x
    x = 1,278,702,546.51/47,838.92
  6. Step 6: Final answer
    x = 26,729.34

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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.