Home / 32,612.60-48,789.30-28,278.20

Finding the Fourth Proportional to 32,612.60, 48,789.30 and 28,278.20

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Solution

The fourth proportional to 32,612.60, 48,789.30 and 28,278.20 is: 42,304.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.60 : 48,789.30 = 28,278.20 : x
  2. Step 2: Convert to fraction form
    32,612.60/48,789.30 = 28,278.20/x
  3. Step 3: Cross multiply
    32,612.60x = 48,789.30 × 28,278.20
  4. Step 4: Simplify right side
    32,612.60x = 1,379,673,583.26
  5. Step 5: Solve for x
    x = 1,379,673,583.26/32,612.60
  6. Step 6: Final answer
    x = 42,304.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.