Home / 38,133.74-57,169.08-18,132.46

Finding the Fourth Proportional to 38,133.74, 57,169.08 and 18,132.46

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Solution

The fourth proportional to 38,133.74, 57,169.08 and 18,132.46 is: 27,183.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,133.74 : 57,169.08 = 18,132.46 : x
  2. Step 2: Convert to fraction form
    38,133.74/57,169.08 = 18,132.46/x
  3. Step 3: Cross multiply
    38,133.74x = 57,169.08 × 18,132.46
  4. Step 4: Simplify right side
    38,133.74x = 1,036,615,913.41
  5. Step 5: Solve for x
    x = 1,036,615,913.41/38,133.74
  6. Step 6: Final answer
    x = 27,183.69

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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.