Home / 39,375.04-54,313.92-28,751.68

Finding the Fourth Proportional to 39,375.04, 54,313.92 and 28,751.68

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Solution

The fourth proportional to 39,375.04, 54,313.92 and 28,751.68 is: 39,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,375.04 : 54,313.92 = 28,751.68 : x
  2. Step 2: Convert to fraction form
    39,375.04/54,313.92 = 28,751.68/x
  3. Step 3: Cross multiply
    39,375.04x = 54,313.92 × 28,751.68
  4. Step 4: Simplify right side
    39,375.04x = 1,561,616,447.39
  5. Step 5: Solve for x
    x = 1,561,616,447.39/39,375.04
  6. Step 6: Final answer
    x = 39,660.06

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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.