Home / 36,145.75-54,221.46-9,851.53

Finding the Fourth Proportional to 36,145.75, 54,221.46 and 9,851.53

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Solution

The fourth proportional to 36,145.75, 54,221.46 and 9,851.53 is: 14,778.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.75 : 54,221.46 = 9,851.53 : x
  2. Step 2: Convert to fraction form
    36,145.75/54,221.46 = 9,851.53/x
  3. Step 3: Cross multiply
    36,145.75x = 54,221.46 × 9,851.53
  4. Step 4: Simplify right side
    36,145.75x = 534,164,339.83
  5. Step 5: Solve for x
    x = 534,164,339.83/36,145.75
  6. Step 6: Final answer
    x = 14,778.07

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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.