Home / 51,240.76-76,863.50-15,699.53

Finding the Fourth Proportional to 51,240.76, 76,863.50 and 15,699.53

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Solution

The fourth proportional to 51,240.76, 76,863.50 and 15,699.53 is: 23,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,240.76 : 76,863.50 = 15,699.53 : x
  2. Step 2: Convert to fraction form
    51,240.76/76,863.50 = 15,699.53/x
  3. Step 3: Cross multiply
    51,240.76x = 76,863.50 × 15,699.53
  4. Step 4: Simplify right side
    51,240.76x = 1,206,720,824.16
  5. Step 5: Solve for x
    x = 1,206,720,824.16/51,240.76
  6. Step 6: Final answer
    x = 23,550.02

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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.