Home / 51,995.72-71,754.08-28,122.38

Finding the Fourth Proportional to 51,995.72, 71,754.08 and 28,122.38

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Solution

The fourth proportional to 51,995.72, 71,754.08 and 28,122.38 is: 38,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.72 : 71,754.08 = 28,122.38 : x
  2. Step 2: Convert to fraction form
    51,995.72/71,754.08 = 28,122.38/x
  3. Step 3: Cross multiply
    51,995.72x = 71,754.08 × 28,122.38
  4. Step 4: Simplify right side
    51,995.72x = 2,017,895,504.31
  5. Step 5: Solve for x
    x = 2,017,895,504.31/51,995.72
  6. Step 6: Final answer
    x = 38,808.88

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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.