Home / 51,561.73-77,189.43-28,117.09

Finding the Fourth Proportional to 51,561.73, 77,189.43 and 28,117.09

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Solution

The fourth proportional to 51,561.73, 77,189.43 and 28,117.09 is: 42,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.73 : 77,189.43 = 28,117.09 : x
  2. Step 2: Convert to fraction form
    51,561.73/77,189.43 = 28,117.09/x
  3. Step 3: Cross multiply
    51,561.73x = 77,189.43 × 28,117.09
  4. Step 4: Simplify right side
    51,561.73x = 2,170,341,764.41
  5. Step 5: Solve for x
    x = 2,170,341,764.41/51,561.73
  6. Step 6: Final answer
    x = 42,092.11

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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.