Home / 38,511.64-57,770.70-13,549.06

Finding the Fourth Proportional to 38,511.64, 57,770.70 and 13,549.06

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Solution

The fourth proportional to 38,511.64, 57,770.70 and 13,549.06 is: 20,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.64 : 57,770.70 = 13,549.06 : x
  2. Step 2: Convert to fraction form
    38,511.64/57,770.70 = 13,549.06/x
  3. Step 3: Cross multiply
    38,511.64x = 57,770.70 × 13,549.06
  4. Step 4: Simplify right side
    38,511.64x = 782,738,680.54
  5. Step 5: Solve for x
    x = 782,738,680.54/38,511.64
  6. Step 6: Final answer
    x = 20,324.73

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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.