Home / 58,229.17-87,362.20-20,788.41

Finding the Fourth Proportional to 58,229.17, 87,362.20 and 20,788.41

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Solution

The fourth proportional to 58,229.17, 87,362.20 and 20,788.41 is: 31,189.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.17 : 87,362.20 = 20,788.41 : x
  2. Step 2: Convert to fraction form
    58,229.17/87,362.20 = 20,788.41/x
  3. Step 3: Cross multiply
    58,229.17x = 87,362.20 × 20,788.41
  4. Step 4: Simplify right side
    58,229.17x = 1,816,121,585.70
  5. Step 5: Solve for x
    x = 1,816,121,585.70/58,229.17
  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.