Home / 39,176.87-54,063.65-22,180.64

Finding the Fourth Proportional to 39,176.87, 54,063.65 and 22,180.64

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Solution

The fourth proportional to 39,176.87, 54,063.65 and 22,180.64 is: 30,609.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.87 : 54,063.65 = 22,180.64 : x
  2. Step 2: Convert to fraction form
    39,176.87/54,063.65 = 22,180.64/x
  3. Step 3: Cross multiply
    39,176.87x = 54,063.65 × 22,180.64
  4. Step 4: Simplify right side
    39,176.87x = 1,199,166,142.87
  5. Step 5: Solve for x
    x = 1,199,166,142.87/39,176.87
  6. Step 6: Final answer
    x = 30,609.04

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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.