Home / 40,493.32-55,805.10-29,143.10

Finding the Fourth Proportional to 40,493.32, 55,805.10 and 29,143.10

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Solution

The fourth proportional to 40,493.32, 55,805.10 and 29,143.10 is: 40,163.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,493.32 : 55,805.10 = 29,143.10 : x
  2. Step 2: Convert to fraction form
    40,493.32/55,805.10 = 29,143.10/x
  3. Step 3: Cross multiply
    40,493.32x = 55,805.10 × 29,143.10
  4. Step 4: Simplify right side
    40,493.32x = 1,626,333,749.32
  5. Step 5: Solve for x
    x = 1,626,333,749.32/40,493.32
  6. Step 6: Final answer
    x = 40,163.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.