Home / 52,044.12-71,820.90-28,170.72

Finding the Fourth Proportional to 52,044.12, 71,820.90 and 28,170.72

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Solution

The fourth proportional to 52,044.12, 71,820.90 and 28,170.72 is: 38,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,044.12 : 71,820.90 = 28,170.72 : x
  2. Step 2: Convert to fraction form
    52,044.12/71,820.90 = 28,170.72/x
  3. Step 3: Cross multiply
    52,044.12x = 71,820.90 × 28,170.72
  4. Step 4: Simplify right side
    52,044.12x = 2,023,246,464.05
  5. Step 5: Solve for x
    x = 2,023,246,464.05/52,044.12
  6. Step 6: Final answer
    x = 38,875.60

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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.