Home / 39,299.06-54,232.62-21,394.19

Finding the Fourth Proportional to 39,299.06, 54,232.62 and 21,394.19

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Solution

The fourth proportional to 39,299.06, 54,232.62 and 21,394.19 is: 29,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.06 : 54,232.62 = 21,394.19 : x
  2. Step 2: Convert to fraction form
    39,299.06/54,232.62 = 21,394.19/x
  3. Step 3: Cross multiply
    39,299.06x = 54,232.62 × 21,394.19
  4. Step 4: Simplify right side
    39,299.06x = 1,160,263,031.83
  5. Step 5: Solve for x
    x = 1,160,263,031.83/39,299.06
  6. Step 6: Final answer
    x = 29,523.94

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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.