Home / 39,132.48-54,033.84-36,147.20

Finding the Fourth Proportional to 39,132.48, 54,033.84 and 36,147.20

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Solution

The fourth proportional to 39,132.48, 54,033.84 and 36,147.20 is: 49,911.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132.48 : 54,033.84 = 36,147.20 : x
  2. Step 2: Convert to fraction form
    39,132.48/54,033.84 = 36,147.20/x
  3. Step 3: Cross multiply
    39,132.48x = 54,033.84 × 36,147.20
  4. Step 4: Simplify right side
    39,132.48x = 1,953,172,021.25
  5. Step 5: Solve for x
    x = 1,953,172,021.25/39,132.48
  6. Step 6: Final answer
    x = 49,911.79

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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.