Home / 36,669.11-54,985.08-17,921.12

Finding the Fourth Proportional to 36,669.11, 54,985.08 and 17,921.12

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Solution

The fourth proportional to 36,669.11, 54,985.08 and 17,921.12 is: 26,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.11 : 54,985.08 = 17,921.12 : x
  2. Step 2: Convert to fraction form
    36,669.11/54,985.08 = 17,921.12/x
  3. Step 3: Cross multiply
    36,669.11x = 54,985.08 × 17,921.12
  4. Step 4: Simplify right side
    36,669.11x = 985,394,216.89
  5. Step 5: Solve for x
    x = 985,394,216.89/36,669.11
  6. Step 6: Final answer
    x = 26,872.60

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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.