Home / 53,960.80-80,919.60-18,882.40

Finding the Fourth Proportional to 53,960.80, 80,919.60 and 18,882.40

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Solution

The fourth proportional to 53,960.80, 80,919.60 and 18,882.40 is: 28,316.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.80 : 80,919.60 = 18,882.40 : x
  2. Step 2: Convert to fraction form
    53,960.80/80,919.60 = 18,882.40/x
  3. Step 3: Cross multiply
    53,960.80x = 80,919.60 × 18,882.40
  4. Step 4: Simplify right side
    53,960.80x = 1,527,956,255.04
  5. Step 5: Solve for x
    x = 1,527,956,255.04/53,960.80
  6. Step 6: Final answer
    x = 28,316.04

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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.