Home / 56,983.38-78,635.66-31,488.44

Finding the Fourth Proportional to 56,983.38, 78,635.66 and 31,488.44

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Solution

The fourth proportional to 56,983.38, 78,635.66 and 31,488.44 is: 43,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,983.38 : 78,635.66 = 31,488.44 : x
  2. Step 2: Convert to fraction form
    56,983.38/78,635.66 = 31,488.44/x
  3. Step 3: Cross multiply
    56,983.38x = 78,635.66 × 31,488.44
  4. Step 4: Simplify right side
    56,983.38x = 2,476,113,711.15
  5. Step 5: Solve for x
    x = 2,476,113,711.15/56,983.38
  6. Step 6: Final answer
    x = 43,453.26

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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.