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Finding the Fourth Proportional to 32,115.80, 48,108.90 and 22,266.20

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Solution

The fourth proportional to 32,115.80, 48,108.90 and 22,266.20 is: 33,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,115.80 : 48,108.90 = 22,266.20 : x
  2. Step 2: Convert to fraction form
    32,115.80/48,108.90 = 22,266.20/x
  3. Step 3: Cross multiply
    32,115.80x = 48,108.90 × 22,266.20
  4. Step 4: Simplify right side
    32,115.80x = 1,071,202,389.18
  5. Step 5: Solve for x
    x = 1,071,202,389.18/32,115.80
  6. Step 6: Final answer
    x = 33,354.37

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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.