Home / 43,013.15-64,540.85-19,337.42

Finding the Fourth Proportional to 43,013.15, 64,540.85 and 19,337.42

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Solution

The fourth proportional to 43,013.15, 64,540.85 and 19,337.42 is: 29,015.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,013.15 : 64,540.85 = 19,337.42 : x
  2. Step 2: Convert to fraction form
    43,013.15/64,540.85 = 19,337.42/x
  3. Step 3: Cross multiply
    43,013.15x = 64,540.85 × 19,337.42
  4. Step 4: Simplify right side
    43,013.15x = 1,248,053,104.22
  5. Step 5: Solve for x
    x = 1,248,053,104.22/43,013.15
  6. Step 6: Final answer
    x = 29,015.62

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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.