Home / 47,838.79-71,711.34-17,831.07

Finding the Fourth Proportional to 47,838.79, 71,711.34 and 17,831.07

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Solution

The fourth proportional to 47,838.79, 71,711.34 and 17,831.07 is: 26,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,838.79 : 71,711.34 = 17,831.07 : x
  2. Step 2: Convert to fraction form
    47,838.79/71,711.34 = 17,831.07/x
  3. Step 3: Cross multiply
    47,838.79x = 71,711.34 × 17,831.07
  4. Step 4: Simplify right side
    47,838.79x = 1,278,689,923.33
  5. Step 5: Solve for x
    x = 1,278,689,923.33/47,838.79
  6. Step 6: Final answer
    x = 26,729.14

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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.