Home / 45,572.47-68,358.50-12,295.91

Finding the Fourth Proportional to 45,572.47, 68,358.50 and 12,295.91

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Solution

The fourth proportional to 45,572.47, 68,358.50 and 12,295.91 is: 18,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,572.47 : 68,358.50 = 12,295.91 : x
  2. Step 2: Convert to fraction form
    45,572.47/68,358.50 = 12,295.91/x
  3. Step 3: Cross multiply
    45,572.47x = 68,358.50 × 12,295.91
  4. Step 4: Simplify right side
    45,572.47x = 840,530,119.26
  5. Step 5: Solve for x
    x = 840,530,119.26/45,572.47
  6. Step 6: Final answer
    x = 18,443.81

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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.