Home / 40,757.05-61,135.78-18,554.90

Finding the Fourth Proportional to 40,757.05, 61,135.78 and 18,554.90

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Solution

The fourth proportional to 40,757.05, 61,135.78 and 18,554.90 is: 27,832.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,757.05 : 61,135.78 = 18,554.90 : x
  2. Step 2: Convert to fraction form
    40,757.05/61,135.78 = 18,554.90/x
  3. Step 3: Cross multiply
    40,757.05x = 61,135.78 × 18,554.90
  4. Step 4: Simplify right side
    40,757.05x = 1,134,367,932.26
  5. Step 5: Solve for x
    x = 1,134,367,932.26/40,757.05
  6. Step 6: Final answer
    x = 27,832.44

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1.5x scale

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.