Home / 53,311.42-79,967.22-18,251.38

Finding the Fourth Proportional to 53,311.42, 79,967.22 and 18,251.38

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Solution

The fourth proportional to 53,311.42, 79,967.22 and 18,251.38 is: 27,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.42 : 79,967.22 = 18,251.38 : x
  2. Step 2: Convert to fraction form
    53,311.42/79,967.22 = 18,251.38/x
  3. Step 3: Cross multiply
    53,311.42x = 79,967.22 × 18,251.38
  4. Step 4: Simplify right side
    53,311.42x = 1,459,512,119.76
  5. Step 5: Solve for x
    x = 1,459,512,119.76/53,311.42
  6. Step 6: Final answer
    x = 27,377.10

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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.