Home / 38,471.44-57,706.56-19,740.67

Finding the Fourth Proportional to 38,471.44, 57,706.56 and 19,740.67

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Solution

The fourth proportional to 38,471.44, 57,706.56 and 19,740.67 is: 29,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,471.44 : 57,706.56 = 19,740.67 : x
  2. Step 2: Convert to fraction form
    38,471.44/57,706.56 = 19,740.67/x
  3. Step 3: Cross multiply
    38,471.44x = 57,706.56 × 19,740.67
  4. Step 4: Simplify right side
    38,471.44x = 1,139,166,157.80
  5. Step 5: Solve for x
    x = 1,139,166,157.80/38,471.44
  6. Step 6: Final answer
    x = 29,610.70

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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.