Home / 36,129.72-54,227.16-21,352.08

Finding the Fourth Proportional to 36,129.72, 54,227.16 and 21,352.08

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Solution

The fourth proportional to 36,129.72, 54,227.16 and 21,352.08 is: 32,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,129.72 : 54,227.16 = 21,352.08 : x
  2. Step 2: Convert to fraction form
    36,129.72/54,227.16 = 21,352.08/x
  3. Step 3: Cross multiply
    36,129.72x = 54,227.16 × 21,352.08
  4. Step 4: Simplify right side
    36,129.72x = 1,157,862,658.49
  5. Step 5: Solve for x
    x = 1,157,862,658.49/36,129.72
  6. Step 6: Final answer
    x = 32,047.37

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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.