Home / 49,908.42-74,778.04-30,145.46

Finding the Fourth Proportional to 49,908.42, 74,778.04 and 30,145.46

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Solution

The fourth proportional to 49,908.42, 74,778.04 and 30,145.46 is: 45,167.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,908.42 : 74,778.04 = 30,145.46 : x
  2. Step 2: Convert to fraction form
    49,908.42/74,778.04 = 30,145.46/x
  3. Step 3: Cross multiply
    49,908.42x = 74,778.04 × 30,145.46
  4. Step 4: Simplify right side
    49,908.42x = 2,254,218,077.49
  5. Step 5: Solve for x
    x = 2,254,218,077.49/49,908.42
  6. Step 6: Final answer
    x = 45,167.09

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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.