Home / 47,479.14-71,219.52-39,126.42

Finding the Fourth Proportional to 47,479.14, 71,219.52 and 39,126.42

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Solution

The fourth proportional to 47,479.14, 71,219.52 and 39,126.42 is: 58,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,479.14 : 71,219.52 = 39,126.42 : x
  2. Step 2: Convert to fraction form
    47,479.14/71,219.52 = 39,126.42/x
  3. Step 3: Cross multiply
    47,479.14x = 71,219.52 × 39,126.42
  4. Step 4: Simplify right side
    47,479.14x = 2,786,564,851.72
  5. Step 5: Solve for x
    x = 2,786,564,851.72/47,479.14
  6. Step 6: Final answer
    x = 58,690.30

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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.