Home / 38,335.36-57,510.33-13,382.53

Finding the Fourth Proportional to 38,335.36, 57,510.33 and 13,382.53

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Solution

The fourth proportional to 38,335.36, 57,510.33 and 13,382.53 is: 20,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.36 : 57,510.33 = 13,382.53 : x
  2. Step 2: Convert to fraction form
    38,335.36/57,510.33 = 13,382.53/x
  3. Step 3: Cross multiply
    38,335.36x = 57,510.33 × 13,382.53
  4. Step 4: Simplify right side
    38,335.36x = 769,633,716.53
  5. Step 5: Solve for x
    x = 769,633,716.53/38,335.36
  6. Step 6: Final answer
    x = 20,076.34

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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.