Home / 74,410.47-111,614.18-21,818.79

Finding the Fourth Proportional to 74,410.47, 111,614.18 and 21,818.79

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Solution

The fourth proportional to 74,410.47, 111,614.18 and 21,818.79 is: 32,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,410.47 : 111,614.18 = 21,818.79 : x
  2. Step 2: Convert to fraction form
    74,410.47/111,614.18 = 21,818.79/x
  3. Step 3: Cross multiply
    74,410.47x = 111,614.18 × 21,818.79
  4. Step 4: Simplify right side
    74,410.47x = 2,435,286,245.35
  5. Step 5: Solve for x
    x = 2,435,286,245.35/74,410.47
  6. Step 6: Final answer
    x = 32,727.74

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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.