Home / 51,561.59-77,189.27-28,116.95

Finding the Fourth Proportional to 51,561.59, 77,189.27 and 28,116.95

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Solution

The fourth proportional to 51,561.59, 77,189.27 and 28,116.95 is: 42,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.59 : 77,189.27 = 28,116.95 : x
  2. Step 2: Convert to fraction form
    51,561.59/77,189.27 = 28,116.95/x
  3. Step 3: Cross multiply
    51,561.59x = 77,189.27 × 28,116.95
  4. Step 4: Simplify right side
    51,561.59x = 2,170,326,318.60
  5. Step 5: Solve for x
    x = 2,170,326,318.60/51,561.59
  6. Step 6: Final answer
    x = 42,091.92

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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.