Home / 58,230.17-87,363.70-20,789.41

Finding the Fourth Proportional to 58,230.17, 87,363.70 and 20,789.41

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Solution

The fourth proportional to 58,230.17, 87,363.70 and 20,789.41 is: 31,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,230.17 : 87,363.70 = 20,789.41 : x
  2. Step 2: Convert to fraction form
    58,230.17/87,363.70 = 20,789.41/x
  3. Step 3: Cross multiply
    58,230.17x = 87,363.70 × 20,789.41
  4. Step 4: Simplify right side
    58,230.17x = 1,816,239,778.42
  5. Step 5: Solve for x
    x = 1,816,239,778.42/58,230.17
  6. Step 6: Final answer
    x = 31,190.70

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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.