Home / 56,732.82-78,290.62-31,238.65

Finding the Fourth Proportional to 56,732.82, 78,290.62 and 31,238.65

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Solution

The fourth proportional to 56,732.82, 78,290.62 and 31,238.65 is: 43,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,732.82 : 78,290.62 = 31,238.65 : x
  2. Step 2: Convert to fraction form
    56,732.82/78,290.62 = 31,238.65/x
  3. Step 3: Cross multiply
    56,732.82x = 78,290.62 × 31,238.65
  4. Step 4: Simplify right side
    56,732.82x = 2,445,693,276.46
  5. Step 5: Solve for x
    x = 2,445,693,276.46/56,732.82
  6. Step 6: Final answer
    x = 43,108.97

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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.