Home / 38,660.24-57,981.27-21,800.49

Finding the Fourth Proportional to 38,660.24, 57,981.27 and 21,800.49

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Solution

The fourth proportional to 38,660.24, 57,981.27 and 21,800.49 is: 32,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.24 : 57,981.27 = 21,800.49 : x
  2. Step 2: Convert to fraction form
    38,660.24/57,981.27 = 21,800.49/x
  3. Step 3: Cross multiply
    38,660.24x = 57,981.27 × 21,800.49
  4. Step 4: Simplify right side
    38,660.24x = 1,264,020,164.66
  5. Step 5: Solve for x
    x = 1,264,020,164.66/38,660.24
  6. Step 6: Final answer
    x = 32,695.61

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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.