Home / 51,499.33-77,186.61-21,854.89

Finding the Fourth Proportional to 51,499.33, 77,186.61 and 21,854.89

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Solution

The fourth proportional to 51,499.33, 77,186.61 and 21,854.89 is: 32,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,499.33 : 77,186.61 = 21,854.89 : x
  2. Step 2: Convert to fraction form
    51,499.33/77,186.61 = 21,854.89/x
  3. Step 3: Cross multiply
    51,499.33x = 77,186.61 × 21,854.89
  4. Step 4: Simplify right side
    51,499.33x = 1,686,904,871.02
  5. Step 5: Solve for x
    x = 1,686,904,871.02/51,499.33
  6. Step 6: Final answer
    x = 32,755.86

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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.