Home / 38,891.44-58,338-13,933.12

Finding the Fourth Proportional to 38,891.44, 58,338 and 13,933.12

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Solution

The fourth proportional to 38,891.44, 58,338 and 13,933.12 is: 20,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.44 : 58,338 = 13,933.12 : x
  2. Step 2: Convert to fraction form
    38,891.44/58,338 = 13,933.12/x
  3. Step 3: Cross multiply
    38,891.44x = 58,338 × 13,933.12
  4. Step 4: Simplify right side
    38,891.44x = 812,830,354.56
  5. Step 5: Solve for x
    x = 812,830,354.56/38,891.44
  6. Step 6: Final answer
    x = 20,899.98

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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.