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Finding the Fourth Proportional to 32,568.90, 44,947.49 and 18,230.18

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Solution

The fourth proportional to 32,568.90, 44,947.49 and 18,230.18 is: 25,158.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,568.90 : 44,947.49 = 18,230.18 : x
  2. Step 2: Convert to fraction form
    32,568.90/44,947.49 = 18,230.18/x
  3. Step 3: Cross multiply
    32,568.90x = 44,947.49 × 18,230.18
  4. Step 4: Simplify right side
    32,568.90x = 819,400,517.36
  5. Step 5: Solve for x
    x = 819,400,517.36/32,568.90
  6. Step 6: Final answer
    x = 25,158.99

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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.