Home / 36,438.88-54,658.31-10,144.30

Finding the Fourth Proportional to 36,438.88, 54,658.31 and 10,144.30

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Solution

The fourth proportional to 36,438.88, 54,658.31 and 10,144.30 is: 15,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.88 : 54,658.31 = 10,144.30 : x
  2. Step 2: Convert to fraction form
    36,438.88/54,658.31 = 10,144.30/x
  3. Step 3: Cross multiply
    36,438.88x = 54,658.31 × 10,144.30
  4. Step 4: Simplify right side
    36,438.88x = 554,470,294.13
  5. Step 5: Solve for x
    x = 554,470,294.13/36,438.88
  6. Step 6: Final answer
    x = 15,216.45

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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.