Home / 39,642.30-54,708.88-26,189.97

Finding the Fourth Proportional to 39,642.30, 54,708.88 and 26,189.97

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Solution

The fourth proportional to 39,642.30, 54,708.88 and 26,189.97 is: 36,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,642.30 : 54,708.88 = 26,189.97 : x
  2. Step 2: Convert to fraction form
    39,642.30/54,708.88 = 26,189.97/x
  3. Step 3: Cross multiply
    39,642.30x = 54,708.88 × 26,189.97
  4. Step 4: Simplify right side
    39,642.30x = 1,432,823,925.93
  5. Step 5: Solve for x
    x = 1,432,823,925.93/39,642.30
  6. Step 6: Final answer
    x = 36,143.81

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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.