Home / 44,442.20-66,638.10-18,116.12

Finding the Fourth Proportional to 44,442.20, 66,638.10 and 18,116.12

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Solution

The fourth proportional to 44,442.20, 66,638.10 and 18,116.12 is: 27,163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,442.20 : 66,638.10 = 18,116.12 : x
  2. Step 2: Convert to fraction form
    44,442.20/66,638.10 = 18,116.12/x
  3. Step 3: Cross multiply
    44,442.20x = 66,638.10 × 18,116.12
  4. Step 4: Simplify right side
    44,442.20x = 1,207,223,816.17
  5. Step 5: Solve for x
    x = 1,207,223,816.17/44,442.20
  6. Step 6: Final answer
    x = 27,163.91

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1.5x scale

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.