Home / 39,645.20-54,712.91-26,192.86

Finding the Fourth Proportional to 39,645.20, 54,712.91 and 26,192.86

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Solution

The fourth proportional to 39,645.20, 54,712.91 and 26,192.86 is: 36,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.20 : 54,712.91 = 26,192.86 : x
  2. Step 2: Convert to fraction form
    39,645.20/54,712.91 = 26,192.86/x
  3. Step 3: Cross multiply
    39,645.20x = 54,712.91 × 26,192.86
  4. Step 4: Simplify right side
    39,645.20x = 1,433,087,187.29
  5. Step 5: Solve for x
    x = 1,433,087,187.29/39,645.20
  6. Step 6: Final answer
    x = 36,147.81

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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.