Home / 39,186.18-54,093.48-26,456.61

Finding the Fourth Proportional to 39,186.18, 54,093.48 and 26,456.61

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Solution

The fourth proportional to 39,186.18, 54,093.48 and 26,456.61 is: 36,521.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.18 : 54,093.48 = 26,456.61 : x
  2. Step 2: Convert to fraction form
    39,186.18/54,093.48 = 26,456.61/x
  3. Step 3: Cross multiply
    39,186.18x = 54,093.48 × 26,456.61
  4. Step 4: Simplify right side
    39,186.18x = 1,431,130,103.90
  5. Step 5: Solve for x
    x = 1,431,130,103.90/39,186.18
  6. Step 6: Final answer
    x = 36,521.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.