Home / 33,313.72-49,957.42-13,585.20

Finding the Fourth Proportional to 33,313.72, 49,957.42 and 13,585.20

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Solution

The fourth proportional to 33,313.72, 49,957.42 and 13,585.20 is: 20,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,313.72 : 49,957.42 = 13,585.20 : x
  2. Step 2: Convert to fraction form
    33,313.72/49,957.42 = 13,585.20/x
  3. Step 3: Cross multiply
    33,313.72x = 49,957.42 × 13,585.20
  4. Step 4: Simplify right side
    33,313.72x = 678,681,542.18
  5. Step 5: Solve for x
    x = 678,681,542.18/33,313.72
  6. Step 6: Final answer
    x = 20,372.43

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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.