Home / 38,154.40-57,243.52-17,112.08

Finding the Fourth Proportional to 38,154.40, 57,243.52 and 17,112.08

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Solution

The fourth proportional to 38,154.40, 57,243.52 and 17,112.08 is: 25,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,154.40 : 57,243.52 = 17,112.08 : x
  2. Step 2: Convert to fraction form
    38,154.40/57,243.52 = 17,112.08/x
  3. Step 3: Cross multiply
    38,154.40x = 57,243.52 × 17,112.08
  4. Step 4: Simplify right side
    38,154.40x = 979,555,693.72
  5. Step 5: Solve for x
    x = 979,555,693.72/38,154.40
  6. Step 6: Final answer
    x = 25,673.47

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1.5x scale

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.