Home / 32,877.50-45,369.92-18,734.90

Finding the Fourth Proportional to 32,877.50, 45,369.92 and 18,734.90

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Solution

The fourth proportional to 32,877.50, 45,369.92 and 18,734.90 is: 25,853.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,877.50 : 45,369.92 = 18,734.90 : x
  2. Step 2: Convert to fraction form
    32,877.50/45,369.92 = 18,734.90/x
  3. Step 3: Cross multiply
    32,877.50x = 45,369.92 × 18,734.90
  4. Step 4: Simplify right side
    32,877.50x = 850,000,734.20
  5. Step 5: Solve for x
    x = 850,000,734.20/32,877.50
  6. Step 6: Final answer
    x = 25,853.57

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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.