Home / 42,549.10-63,826.05-12,967.90

Finding the Fourth Proportional to 42,549.10, 63,826.05 and 12,967.90

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Solution

The fourth proportional to 42,549.10, 63,826.05 and 12,967.90 is: 19,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,549.10 : 63,826.05 = 12,967.90 : x
  2. Step 2: Convert to fraction form
    42,549.10/63,826.05 = 12,967.90/x
  3. Step 3: Cross multiply
    42,549.10x = 63,826.05 × 12,967.90
  4. Step 4: Simplify right side
    42,549.10x = 827,689,833.80
  5. Step 5: Solve for x
    x = 827,689,833.80/42,549.10
  6. Step 6: Final answer
    x = 19,452.58

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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.