Home / 34,689.20-47,871.24-18,773.68

Finding the Fourth Proportional to 34,689.20, 47,871.24 and 18,773.68

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Solution

The fourth proportional to 34,689.20, 47,871.24 and 18,773.68 is: 25,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.20 : 47,871.24 = 18,773.68 : x
  2. Step 2: Convert to fraction form
    34,689.20/47,871.24 = 18,773.68/x
  3. Step 3: Cross multiply
    34,689.20x = 47,871.24 × 18,773.68
  4. Step 4: Simplify right side
    34,689.20x = 898,719,340.96
  5. Step 5: Solve for x
    x = 898,719,340.96/34,689.20
  6. Step 6: Final answer
    x = 25,907.76

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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.