Home / 48,652.78-72,977.82-13,591.48

Finding the Fourth Proportional to 48,652.78, 72,977.82 and 13,591.48

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Solution

The fourth proportional to 48,652.78, 72,977.82 and 13,591.48 is: 20,386.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.78 : 72,977.82 = 13,591.48 : x
  2. Step 2: Convert to fraction form
    48,652.78/72,977.82 = 13,591.48/x
  3. Step 3: Cross multiply
    48,652.78x = 72,977.82 × 13,591.48
  4. Step 4: Simplify right side
    48,652.78x = 991,876,580.97
  5. Step 5: Solve for x
    x = 991,876,580.97/48,652.78
  6. Step 6: Final answer
    x = 20,386.84

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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.