Home / 48,421.74-72,614.16-18,836.04

Finding the Fourth Proportional to 48,421.74, 72,614.16 and 18,836.04

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Solution

The fourth proportional to 48,421.74, 72,614.16 and 18,836.04 is: 28,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.74 : 72,614.16 = 18,836.04 : x
  2. Step 2: Convert to fraction form
    48,421.74/72,614.16 = 18,836.04/x
  3. Step 3: Cross multiply
    48,421.74x = 72,614.16 × 18,836.04
  4. Step 4: Simplify right side
    48,421.74x = 1,367,763,222.33
  5. Step 5: Solve for x
    x = 1,367,763,222.33/48,421.74
  6. Step 6: Final answer
    x = 28,246.88

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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.