Home / 39,273.02-54,196.92-21,367.88

Finding the Fourth Proportional to 39,273.02, 54,196.92 and 21,367.88

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Solution

The fourth proportional to 39,273.02, 54,196.92 and 21,367.88 is: 29,487.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273.02 : 54,196.92 = 21,367.88 : x
  2. Step 2: Convert to fraction form
    39,273.02/54,196.92 = 21,367.88/x
  3. Step 3: Cross multiply
    39,273.02x = 54,196.92 × 21,367.88
  4. Step 4: Simplify right side
    39,273.02x = 1,158,073,282.93
  5. Step 5: Solve for x
    x = 1,158,073,282.93/39,273.02
  6. Step 6: Final answer
    x = 29,487.76

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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.