Home / 56,195.93-84,306.45-21,135.89

Finding the Fourth Proportional to 56,195.93, 84,306.45 and 21,135.89

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Solution

The fourth proportional to 56,195.93, 84,306.45 and 21,135.89 is: 31,708.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,195.93 : 84,306.45 = 21,135.89 : x
  2. Step 2: Convert to fraction form
    56,195.93/84,306.45 = 21,135.89/x
  3. Step 3: Cross multiply
    56,195.93x = 84,306.45 × 21,135.89
  4. Step 4: Simplify right side
    56,195.93x = 1,781,891,853.49
  5. Step 5: Solve for x
    x = 1,781,891,853.49/56,195.93
  6. Step 6: Final answer
    x = 31,708.56

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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.