Home / 39,299.16-54,232.56-21,394.16

Finding the Fourth Proportional to 39,299.16, 54,232.56 and 21,394.16

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Solution

The fourth proportional to 39,299.16, 54,232.56 and 21,394.16 is: 29,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.16 : 54,232.56 = 21,394.16 : x
  2. Step 2: Convert to fraction form
    39,299.16/54,232.56 = 21,394.16/x
  3. Step 3: Cross multiply
    39,299.16x = 54,232.56 × 21,394.16
  4. Step 4: Simplify right side
    39,299.16x = 1,160,260,065.85
  5. Step 5: Solve for x
    x = 1,160,260,065.85/39,299.16
  6. Step 6: Final answer
    x = 29,523.79

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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.