Home / 38,079.36-57,104.64-18,351.36

Finding the Fourth Proportional to 38,079.36, 57,104.64 and 18,351.36

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Solution

The fourth proportional to 38,079.36, 57,104.64 and 18,351.36 is: 27,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,079.36 : 57,104.64 = 18,351.36 : x
  2. Step 2: Convert to fraction form
    38,079.36/57,104.64 = 18,351.36/x
  3. Step 3: Cross multiply
    38,079.36x = 57,104.64 × 18,351.36
  4. Step 4: Simplify right side
    38,079.36x = 1,047,947,806.31
  5. Step 5: Solve for x
    x = 1,047,947,806.31/38,079.36
  6. Step 6: Final answer
    x = 27,520.10

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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.