Home / 29,090.88-40,150.08-16,519.68

Finding the Fourth Proportional to 29,090.88, 40,150.08 and 16,519.68

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Solution

The fourth proportional to 29,090.88, 40,150.08 and 16,519.68 is: 22,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,090.88 : 40,150.08 = 16,519.68 : x
  2. Step 2: Convert to fraction form
    29,090.88/40,150.08 = 16,519.68/x
  3. Step 3: Cross multiply
    29,090.88x = 40,150.08 × 16,519.68
  4. Step 4: Simplify right side
    29,090.88x = 663,266,473.57
  5. Step 5: Solve for x
    x = 663,266,473.57/29,090.88
  6. Step 6: Final answer
    x = 22,799.81

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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.