Home / 51,995.30-71,753.28-28,121.99

Finding the Fourth Proportional to 51,995.30, 71,753.28 and 28,121.99

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Solution

The fourth proportional to 51,995.30, 71,753.28 and 28,121.99 is: 38,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,995.30 : 71,753.28 = 28,121.99 : x
  2. Step 2: Convert to fraction form
    51,995.30/71,753.28 = 28,121.99/x
  3. Step 3: Cross multiply
    51,995.30x = 71,753.28 × 28,121.99
  4. Step 4: Simplify right side
    51,995.30x = 2,017,845,022.63
  5. Step 5: Solve for x
    x = 2,017,845,022.63/51,995.30
  6. Step 6: Final answer
    x = 38,808.22

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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.