Home / 51,515.76-77,229.72-49,066.32

Finding the Fourth Proportional to 51,515.76, 77,229.72 and 49,066.32

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Solution

The fourth proportional to 51,515.76, 77,229.72 and 49,066.32 is: 73,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515.76 : 77,229.72 = 49,066.32 : x
  2. Step 2: Convert to fraction form
    51,515.76/77,229.72 = 49,066.32/x
  3. Step 3: Cross multiply
    51,515.76x = 77,229.72 × 49,066.32
  4. Step 4: Simplify right side
    51,515.76x = 3,789,378,155.03
  5. Step 5: Solve for x
    x = 3,789,378,155.03/51,515.76
  6. Step 6: Final answer
    x = 73,557.65

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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.