Home / 61,287.45-84,576.17-34,429.38

Finding the Fourth Proportional to 61,287.45, 84,576.17 and 34,429.38

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Solution

The fourth proportional to 61,287.45, 84,576.17 and 34,429.38 is: 47,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.45 : 84,576.17 = 34,429.38 : x
  2. Step 2: Convert to fraction form
    61,287.45/84,576.17 = 34,429.38/x
  3. Step 3: Cross multiply
    61,287.45x = 84,576.17 × 34,429.38
  4. Step 4: Simplify right side
    61,287.45x = 2,911,904,500.85
  5. Step 5: Solve for x
    x = 2,911,904,500.85/61,287.45
  6. Step 6: Final answer
    x = 47,512.25

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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.