Home / 39,337.42-54,286.26-21,432.42

Finding the Fourth Proportional to 39,337.42, 54,286.26 and 21,432.42

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Solution

The fourth proportional to 39,337.42, 54,286.26 and 21,432.42 is: 29,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,337.42 : 54,286.26 = 21,432.42 : x
  2. Step 2: Convert to fraction form
    39,337.42/54,286.26 = 21,432.42/x
  3. Step 3: Cross multiply
    39,337.42x = 54,286.26 × 21,432.42
  4. Step 4: Simplify right side
    39,337.42x = 1,163,485,640.60
  5. Step 5: Solve for x
    x = 1,163,485,640.60/39,337.42
  6. Step 6: Final answer
    x = 29,577.07

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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.