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Finding the Fourth Proportional to 32,672.87, 45,089.11 and 18,335.87

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Solution

The fourth proportional to 32,672.87, 45,089.11 and 18,335.87 is: 25,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,672.87 : 45,089.11 = 18,335.87 : x
  2. Step 2: Convert to fraction form
    32,672.87/45,089.11 = 18,335.87/x
  3. Step 3: Cross multiply
    32,672.87x = 45,089.11 × 18,335.87
  4. Step 4: Simplify right side
    32,672.87x = 826,747,922.79
  5. Step 5: Solve for x
    x = 826,747,922.79/32,672.87
  6. Step 6: Final answer
    x = 25,303.81

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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.