Home / 51,687.83-71,248.38-43,217.99

Finding the Fourth Proportional to 51,687.83, 71,248.38 and 43,217.99

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Solution

The fourth proportional to 51,687.83, 71,248.38 and 43,217.99 is: 59,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,687.83 : 71,248.38 = 43,217.99 : x
  2. Step 2: Convert to fraction form
    51,687.83/71,248.38 = 43,217.99/x
  3. Step 3: Cross multiply
    51,687.83x = 71,248.38 × 43,217.99
  4. Step 4: Simplify right side
    51,687.83x = 3,079,211,418.11
  5. Step 5: Solve for x
    x = 3,079,211,418.11/51,687.83
  6. Step 6: Final answer
    x = 59,573.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.