Home / 57,921.68-79,908.16-35,242.49

Finding the Fourth Proportional to 57,921.68, 79,908.16 and 35,242.49

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Solution

The fourth proportional to 57,921.68, 79,908.16 and 35,242.49 is: 48,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,921.68 : 79,908.16 = 35,242.49 : x
  2. Step 2: Convert to fraction form
    57,921.68/79,908.16 = 35,242.49/x
  3. Step 3: Cross multiply
    57,921.68x = 79,908.16 × 35,242.49
  4. Step 4: Simplify right side
    57,921.68x = 2,816,162,529.72
  5. Step 5: Solve for x
    x = 2,816,162,529.72/57,921.68
  6. Step 6: Final answer
    x = 48,620.18

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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.