Home / 48,640.14-72,964.06-15,362.78

Finding the Fourth Proportional to 48,640.14, 72,964.06 and 15,362.78

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Solution

The fourth proportional to 48,640.14, 72,964.06 and 15,362.78 is: 23,045.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,640.14 : 72,964.06 = 15,362.78 : x
  2. Step 2: Convert to fraction form
    48,640.14/72,964.06 = 15,362.78/x
  3. Step 3: Cross multiply
    48,640.14x = 72,964.06 × 15,362.78
  4. Step 4: Simplify right side
    48,640.14x = 1,120,930,398.46
  5. Step 5: Solve for x
    x = 1,120,930,398.46/48,640.14
  6. Step 6: Final answer
    x = 23,045.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.