Home / 38,740.88-58,091.16-13,777.29

Finding the Fourth Proportional to 38,740.88, 58,091.16 and 13,777.29

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Solution

The fourth proportional to 38,740.88, 58,091.16 and 13,777.29 is: 20,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.88 : 58,091.16 = 13,777.29 : x
  2. Step 2: Convert to fraction form
    38,740.88/58,091.16 = 13,777.29/x
  3. Step 3: Cross multiply
    38,740.88x = 58,091.16 × 13,777.29
  4. Step 4: Simplify right side
    38,740.88x = 800,338,731.92
  5. Step 5: Solve for x
    x = 800,338,731.92/38,740.88
  6. Step 6: Final answer
    x = 20,658.76

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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.