Home / 36,356.28-54,532.78-12,669.21

Finding the Fourth Proportional to 36,356.28, 54,532.78 and 12,669.21

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Solution

The fourth proportional to 36,356.28, 54,532.78 and 12,669.21 is: 19,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.28 : 54,532.78 = 12,669.21 : x
  2. Step 2: Convert to fraction form
    36,356.28/54,532.78 = 12,669.21/x
  3. Step 3: Cross multiply
    36,356.28x = 54,532.78 × 12,669.21
  4. Step 4: Simplify right side
    36,356.28x = 690,887,210.03
  5. Step 5: Solve for x
    x = 690,887,210.03/36,356.28
  6. Step 6: Final answer
    x = 19,003.24

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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.