Home / 32,979.43-49,468.61-10,489.78

Finding the Fourth Proportional to 32,979.43, 49,468.61 and 10,489.78

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Solution

The fourth proportional to 32,979.43, 49,468.61 and 10,489.78 is: 15,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.43 : 49,468.61 = 10,489.78 : x
  2. Step 2: Convert to fraction form
    32,979.43/49,468.61 = 10,489.78/x
  3. Step 3: Cross multiply
    32,979.43x = 49,468.61 × 10,489.78
  4. Step 4: Simplify right side
    32,979.43x = 518,914,923.87
  5. Step 5: Solve for x
    x = 518,914,923.87/32,979.43
  6. Step 6: Final answer
    x = 15,734.50

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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.