Home / 56,342.38-84,488.01-21,257.14

Finding the Fourth Proportional to 56,342.38, 84,488.01 and 21,257.14

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Solution

The fourth proportional to 56,342.38, 84,488.01 and 21,257.14 is: 31,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,342.38 : 84,488.01 = 21,257.14 : x
  2. Step 2: Convert to fraction form
    56,342.38/84,488.01 = 21,257.14/x
  3. Step 3: Cross multiply
    56,342.38x = 84,488.01 × 21,257.14
  4. Step 4: Simplify right side
    56,342.38x = 1,795,973,456.89
  5. Step 5: Solve for x
    x = 1,795,973,456.89/56,342.38
  6. Step 6: Final answer
    x = 31,876.07

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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.