Home / 48,587.64-72,850.29-20,500.02

Finding the Fourth Proportional to 48,587.64, 72,850.29 and 20,500.02

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Solution

The fourth proportional to 48,587.64, 72,850.29 and 20,500.02 is: 30,736.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,587.64 : 72,850.29 = 20,500.02 : x
  2. Step 2: Convert to fraction form
    48,587.64/72,850.29 = 20,500.02/x
  3. Step 3: Cross multiply
    48,587.64x = 72,850.29 × 20,500.02
  4. Step 4: Simplify right side
    48,587.64x = 1,493,432,402.01
  5. Step 5: Solve for x
    x = 1,493,432,402.01/48,587.64
  6. Step 6: Final answer
    x = 30,736.88

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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.