Home / 38,642.36-57,952.84-13,679.12

Finding the Fourth Proportional to 38,642.36, 57,952.84 and 13,679.12

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Solution

The fourth proportional to 38,642.36, 57,952.84 and 13,679.12 is: 20,514.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.36 : 57,952.84 = 13,679.12 : x
  2. Step 2: Convert to fraction form
    38,642.36/57,952.84 = 13,679.12/x
  3. Step 3: Cross multiply
    38,642.36x = 57,952.84 × 13,679.12
  4. Step 4: Simplify right side
    38,642.36x = 792,743,963.39
  5. Step 5: Solve for x
    x = 792,743,963.39/38,642.36
  6. Step 6: Final answer
    x = 20,514.89

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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.