Home / 38,674.49-57,995.33-13,720.82

Finding the Fourth Proportional to 38,674.49, 57,995.33 and 13,720.82

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Solution

The fourth proportional to 38,674.49, 57,995.33 and 13,720.82 is: 20,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,674.49 : 57,995.33 = 13,720.82 : x
  2. Step 2: Convert to fraction form
    38,674.49/57,995.33 = 13,720.82/x
  3. Step 3: Cross multiply
    38,674.49x = 57,995.33 × 13,720.82
  4. Step 4: Simplify right side
    38,674.49x = 795,743,125.19
  5. Step 5: Solve for x
    x = 795,743,125.19/38,674.49
  6. Step 6: Final answer
    x = 20,575.40

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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.