Home / 38,415.29-57,546.08-30,531.11

Finding the Fourth Proportional to 38,415.29, 57,546.08 and 30,531.11

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Solution

The fourth proportional to 38,415.29, 57,546.08 and 30,531.11 is: 45,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.29 : 57,546.08 = 30,531.11 : x
  2. Step 2: Convert to fraction form
    38,415.29/57,546.08 = 30,531.11/x
  3. Step 3: Cross multiply
    38,415.29x = 57,546.08 × 30,531.11
  4. Step 4: Simplify right side
    38,415.29x = 1,756,945,545.89
  5. Step 5: Solve for x
    x = 1,756,945,545.89/38,415.29
  6. Step 6: Final answer
    x = 45,735.58

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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.