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Finding the Fourth Proportional to 32,642.64, 44,976.96 and 22,013.64

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Solution

The fourth proportional to 32,642.64, 44,976.96 and 22,013.64 is: 30,331.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,642.64 : 44,976.96 = 22,013.64 : x
  2. Step 2: Convert to fraction form
    32,642.64/44,976.96 = 22,013.64/x
  3. Step 3: Cross multiply
    32,642.64x = 44,976.96 × 22,013.64
  4. Step 4: Simplify right side
    32,642.64x = 990,106,605.73
  5. Step 5: Solve for x
    x = 990,106,605.73/32,642.64
  6. Step 6: Final answer
    x = 30,331.70

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1.5x scale

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.