Home / 53,311.50-79,967.66-18,251.46

Finding the Fourth Proportional to 53,311.50, 79,967.66 and 18,251.46

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Solution

The fourth proportional to 53,311.50, 79,967.66 and 18,251.46 is: 27,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.50 : 79,967.66 = 18,251.46 : x
  2. Step 2: Convert to fraction form
    53,311.50/79,967.66 = 18,251.46/x
  3. Step 3: Cross multiply
    53,311.50x = 79,967.66 × 18,251.46
  4. Step 4: Simplify right side
    53,311.50x = 1,459,526,456.53
  5. Step 5: Solve for x
    x = 1,459,526,456.53/53,311.50
  6. Step 6: Final answer
    x = 27,377.33

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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.