Home / 29,090.98-40,149.30-17,758.09

Finding the Fourth Proportional to 29,090.98, 40,149.30 and 17,758.09

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Solution

The fourth proportional to 29,090.98, 40,149.30 and 17,758.09 is: 24,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.98 : 40,149.30 = 17,758.09 : x
  2. Step 2: Convert to fraction form
    29,090.98/40,149.30 = 17,758.09/x
  3. Step 3: Cross multiply
    29,090.98x = 40,149.30 × 17,758.09
  4. Step 4: Simplify right side
    29,090.98x = 712,974,882.84
  5. Step 5: Solve for x
    x = 712,974,882.84/29,090.98
  6. Step 6: Final answer
    x = 24,508.45

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1.5x scale

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.