Home / 32,445.38-48,433.40-28,508.78

Finding the Fourth Proportional to 32,445.38, 48,433.40 and 28,508.78

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Solution

The fourth proportional to 32,445.38, 48,433.40 and 28,508.78 is: 42,556.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.38 : 48,433.40 = 28,508.78 : x
  2. Step 2: Convert to fraction form
    32,445.38/48,433.40 = 28,508.78/x
  3. Step 3: Cross multiply
    32,445.38x = 48,433.40 × 28,508.78
  4. Step 4: Simplify right side
    32,445.38x = 1,380,777,145.25
  5. Step 5: Solve for x
    x = 1,380,777,145.25/32,445.38
  6. Step 6: Final answer
    x = 42,556.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.