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Finding the Fourth Proportional to 32,979.35, 49,446.48 and 15,873.20

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Solution

The fourth proportional to 32,979.35, 49,446.48 and 15,873.20 is: 23,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.35 : 49,446.48 = 15,873.20 : x
  2. Step 2: Convert to fraction form
    32,979.35/49,446.48 = 15,873.20/x
  3. Step 3: Cross multiply
    32,979.35x = 49,446.48 × 15,873.20
  4. Step 4: Simplify right side
    32,979.35x = 784,873,864.05
  5. Step 5: Solve for x
    x = 784,873,864.05/32,979.35
  6. Step 6: Final answer
    x = 23,798.95

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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.