Home / 34,689.18-47,871.15-18,773.81

Finding the Fourth Proportional to 34,689.18, 47,871.15 and 18,773.81

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Solution

The fourth proportional to 34,689.18, 47,871.15 and 18,773.81 is: 25,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.18 : 47,871.15 = 18,773.81 : x
  2. Step 2: Convert to fraction form
    34,689.18/47,871.15 = 18,773.81/x
  3. Step 3: Cross multiply
    34,689.18x = 47,871.15 × 18,773.81
  4. Step 4: Simplify right side
    34,689.18x = 898,723,635.23
  5. Step 5: Solve for x
    x = 898,723,635.23/34,689.18
  6. Step 6: Final answer
    x = 25,907.90

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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.