Home / 47,768.13-71,652.20-21,442.12

Finding the Fourth Proportional to 47,768.13, 71,652.20 and 21,442.12

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Solution

The fourth proportional to 47,768.13, 71,652.20 and 21,442.12 is: 32,163.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,768.13 : 71,652.20 = 21,442.12 : x
  2. Step 2: Convert to fraction form
    47,768.13/71,652.20 = 21,442.12/x
  3. Step 3: Cross multiply
    47,768.13x = 71,652.20 × 21,442.12
  4. Step 4: Simplify right side
    47,768.13x = 1,536,374,945.14
  5. Step 5: Solve for x
    x = 1,536,374,945.14/47,768.13
  6. Step 6: Final answer
    x = 32,163.18

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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.