Home / 34,229.20-47,239.24-20,084.40

Finding the Fourth Proportional to 34,229.20, 47,239.24 and 20,084.40

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Solution

The fourth proportional to 34,229.20, 47,239.24 and 20,084.40 is: 27,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,229.20 : 47,239.24 = 20,084.40 : x
  2. Step 2: Convert to fraction form
    34,229.20/47,239.24 = 20,084.40/x
  3. Step 3: Cross multiply
    34,229.20x = 47,239.24 × 20,084.40
  4. Step 4: Simplify right side
    34,229.20x = 948,771,791.86
  5. Step 5: Solve for x
    x = 948,771,791.86/34,229.20
  6. Step 6: Final answer
    x = 27,718.20

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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.