Home / 51,561.08-77,188.52-28,116.44

Finding the Fourth Proportional to 51,561.08, 77,188.52 and 28,116.44

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Solution

The fourth proportional to 51,561.08, 77,188.52 and 28,116.44 is: 42,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,561.08 : 77,188.52 = 28,116.44 : x
  2. Step 2: Convert to fraction form
    51,561.08/77,188.52 = 28,116.44/x
  3. Step 3: Cross multiply
    51,561.08x = 77,188.52 × 28,116.44
  4. Step 4: Simplify right side
    51,561.08x = 2,170,266,391.27
  5. Step 5: Solve for x
    x = 2,170,266,391.27/51,561.08
  6. Step 6: Final answer
    x = 42,091.17

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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.