Home / 48,391.88-72,587.82-13,331.54

Finding the Fourth Proportional to 48,391.88, 72,587.82 and 13,331.54

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Solution

The fourth proportional to 48,391.88, 72,587.82 and 13,331.54 is: 19,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,391.88 : 72,587.82 = 13,331.54 : x
  2. Step 2: Convert to fraction form
    48,391.88/72,587.82 = 13,331.54/x
  3. Step 3: Cross multiply
    48,391.88x = 72,587.82 × 13,331.54
  4. Step 4: Simplify right side
    48,391.88x = 967,707,062.90
  5. Step 5: Solve for x
    x = 967,707,062.90/48,391.88
  6. Step 6: Final answer
    x = 19,997.30

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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.