Home / 39,238.44-54,148.65-29,211.72

Finding the Fourth Proportional to 39,238.44, 54,148.65 and 29,211.72

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Solution

The fourth proportional to 39,238.44, 54,148.65 and 29,211.72 is: 40,311.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.44 : 54,148.65 = 29,211.72 : x
  2. Step 2: Convert to fraction form
    39,238.44/54,148.65 = 29,211.72/x
  3. Step 3: Cross multiply
    39,238.44x = 54,148.65 × 29,211.72
  4. Step 4: Simplify right side
    39,238.44x = 1,581,775,202.18
  5. Step 5: Solve for x
    x = 1,581,775,202.18/39,238.44
  6. Step 6: Final answer
    x = 40,311.88

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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.