Home / 39,202.92-54,101.16-21,299.04

Finding the Fourth Proportional to 39,202.92, 54,101.16 and 21,299.04

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Solution

The fourth proportional to 39,202.92, 54,101.16 and 21,299.04 is: 29,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,202.92 : 54,101.16 = 21,299.04 : x
  2. Step 2: Convert to fraction form
    39,202.92/54,101.16 = 21,299.04/x
  3. Step 3: Cross multiply
    39,202.92x = 54,101.16 × 21,299.04
  4. Step 4: Simplify right side
    39,202.92x = 1,152,302,770.89
  5. Step 5: Solve for x
    x = 1,152,302,770.89/39,202.92
  6. Step 6: Final answer
    x = 29,393.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.