Home / 34,747.43-47,951.63-18,831.88

Finding the Fourth Proportional to 34,747.43, 47,951.63 and 18,831.88

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Solution

The fourth proportional to 34,747.43, 47,951.63 and 18,831.88 is: 25,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.43 : 47,951.63 = 18,831.88 : x
  2. Step 2: Convert to fraction form
    34,747.43/47,951.63 = 18,831.88/x
  3. Step 3: Cross multiply
    34,747.43x = 47,951.63 × 18,831.88
  4. Step 4: Simplify right side
    34,747.43x = 903,019,127.93
  5. Step 5: Solve for x
    x = 903,019,127.93/34,747.43
  6. Step 6: Final answer
    x = 25,988.08

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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.