Home / 29,102.10-43,616.63-12,442.55

Finding the Fourth Proportional to 29,102.10, 43,616.63 and 12,442.55

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Solution

The fourth proportional to 29,102.10, 43,616.63 and 12,442.55 is: 18,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,102.10 : 43,616.63 = 12,442.55 : x
  2. Step 2: Convert to fraction form
    29,102.10/43,616.63 = 12,442.55/x
  3. Step 3: Cross multiply
    29,102.10x = 43,616.63 × 12,442.55
  4. Step 4: Simplify right side
    29,102.10x = 542,702,026.65
  5. Step 5: Solve for x
    x = 542,702,026.65/29,102.10
  6. Step 6: Final answer
    x = 18,648.21

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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.