Home / 34,747.19-47,951.12-18,831.64

Finding the Fourth Proportional to 34,747.19, 47,951.12 and 18,831.64

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Solution

The fourth proportional to 34,747.19, 47,951.12 and 18,831.64 is: 25,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.19 : 47,951.12 = 18,831.64 : x
  2. Step 2: Convert to fraction form
    34,747.19/47,951.12 = 18,831.64/x
  3. Step 3: Cross multiply
    34,747.19x = 47,951.12 × 18,831.64
  4. Step 4: Simplify right side
    34,747.19x = 902,998,135.28
  5. Step 5: Solve for x
    x = 902,998,135.28/34,747.19
  6. Step 6: Final answer
    x = 25,987.66

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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.