Home / 58,229.15-87,362.18-20,788.42

Finding the Fourth Proportional to 58,229.15, 87,362.18 and 20,788.42

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Solution

The fourth proportional to 58,229.15, 87,362.18 and 20,788.42 is: 31,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.15 : 87,362.18 = 20,788.42 : x
  2. Step 2: Convert to fraction form
    58,229.15/87,362.18 = 20,788.42/x
  3. Step 3: Cross multiply
    58,229.15x = 87,362.18 × 20,788.42
  4. Step 4: Simplify right side
    58,229.15x = 1,816,121,149.20
  5. Step 5: Solve for x
    x = 1,816,121,149.20/58,229.15
  6. Step 6: Final answer
    x = 31,189.21

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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.