Home / 52,869.23-72,959.20-30,215.15

Finding the Fourth Proportional to 52,869.23, 72,959.20 and 30,215.15

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Solution

The fourth proportional to 52,869.23, 72,959.20 and 30,215.15 is: 41,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.23 : 72,959.20 = 30,215.15 : x
  2. Step 2: Convert to fraction form
    52,869.23/72,959.20 = 30,215.15/x
  3. Step 3: Cross multiply
    52,869.23x = 72,959.20 × 30,215.15
  4. Step 4: Simplify right side
    52,869.23x = 2,204,473,171.88
  5. Step 5: Solve for x
    x = 2,204,473,171.88/52,869.23
  6. Step 6: Final answer
    x = 41,696.71

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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.