Home / 36,480.72-54,688.60-14,309.92

Finding the Fourth Proportional to 36,480.72, 54,688.60 and 14,309.92

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Solution

The fourth proportional to 36,480.72, 54,688.60 and 14,309.92 is: 21,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480.72 : 54,688.60 = 14,309.92 : x
  2. Step 2: Convert to fraction form
    36,480.72/54,688.60 = 14,309.92/x
  3. Step 3: Cross multiply
    36,480.72x = 54,688.60 × 14,309.92
  4. Step 4: Simplify right side
    36,480.72x = 782,589,490.91
  5. Step 5: Solve for x
    x = 782,589,490.91/36,480.72
  6. Step 6: Final answer
    x = 21,452.14

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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.