Home / 56,721.52-85,029.70-25,114.74

Finding the Fourth Proportional to 56,721.52, 85,029.70 and 25,114.74

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Solution

The fourth proportional to 56,721.52, 85,029.70 and 25,114.74 is: 37,648.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.52 : 85,029.70 = 25,114.74 : x
  2. Step 2: Convert to fraction form
    56,721.52/85,029.70 = 25,114.74/x
  3. Step 3: Cross multiply
    56,721.52x = 85,029.70 × 25,114.74
  4. Step 4: Simplify right side
    56,721.52x = 2,135,498,807.78
  5. Step 5: Solve for x
    x = 2,135,498,807.78/56,721.52
  6. Step 6: Final answer
    x = 37,648.83

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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.