Home / 38,984.40-58,496.85-18,207.90

Finding the Fourth Proportional to 38,984.40, 58,496.85 and 18,207.90

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Solution

The fourth proportional to 38,984.40, 58,496.85 and 18,207.90 is: 27,321.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,984.40 : 58,496.85 = 18,207.90 : x
  2. Step 2: Convert to fraction form
    38,984.40/58,496.85 = 18,207.90/x
  3. Step 3: Cross multiply
    38,984.40x = 58,496.85 × 18,207.90
  4. Step 4: Simplify right side
    38,984.40x = 1,065,104,795.12
  5. Step 5: Solve for x
    x = 1,065,104,795.12/38,984.40
  6. Step 6: Final answer
    x = 27,321.31

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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.