Home / 38,117.78-57,182.20-11,824.64

Finding the Fourth Proportional to 38,117.78, 57,182.20 and 11,824.64

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Solution

The fourth proportional to 38,117.78, 57,182.20 and 11,824.64 is: 17,738.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,117.78 : 57,182.20 = 11,824.64 : x
  2. Step 2: Convert to fraction form
    38,117.78/57,182.20 = 11,824.64/x
  3. Step 3: Cross multiply
    38,117.78x = 57,182.20 × 11,824.64
  4. Step 4: Simplify right side
    38,117.78x = 676,158,929.41
  5. Step 5: Solve for x
    x = 676,158,929.41/38,117.78
  6. Step 6: Final answer
    x = 17,738.68

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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.