Home / 39,344.30-54,294.44-21,439.42

Finding the Fourth Proportional to 39,344.30, 54,294.44 and 21,439.42

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Solution

The fourth proportional to 39,344.30, 54,294.44 and 21,439.42 is: 29,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.30 : 54,294.44 = 21,439.42 : x
  2. Step 2: Convert to fraction form
    39,344.30/54,294.44 = 21,439.42/x
  3. Step 3: Cross multiply
    39,344.30x = 54,294.44 × 21,439.42
  4. Step 4: Simplify right side
    39,344.30x = 1,164,041,302.82
  5. Step 5: Solve for x
    x = 1,164,041,302.82/39,344.30
  6. Step 6: Final answer
    x = 29,586.02

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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.