Home / 56,211.40-84,306.30-16,769.80

Finding the Fourth Proportional to 56,211.40, 84,306.30 and 16,769.80

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Solution

The fourth proportional to 56,211.40, 84,306.30 and 16,769.80 is: 25,151.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,211.40 : 84,306.30 = 16,769.80 : x
  2. Step 2: Convert to fraction form
    56,211.40/84,306.30 = 16,769.80/x
  3. Step 3: Cross multiply
    56,211.40x = 84,306.30 × 16,769.80
  4. Step 4: Simplify right side
    56,211.40x = 1,413,799,789.74
  5. Step 5: Solve for x
    x = 1,413,799,789.74/56,211.40
  6. Step 6: Final answer
    x = 25,151.48

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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.