Home / 47,119.26-70,687.56-15,531.21

Finding the Fourth Proportional to 47,119.26, 70,687.56 and 15,531.21

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Solution

The fourth proportional to 47,119.26, 70,687.56 and 15,531.21 is: 23,299.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,119.26 : 70,687.56 = 15,531.21 : x
  2. Step 2: Convert to fraction form
    47,119.26/70,687.56 = 15,531.21/x
  3. Step 3: Cross multiply
    47,119.26x = 70,687.56 × 15,531.21
  4. Step 4: Simplify right side
    47,119.26x = 1,097,863,338.75
  5. Step 5: Solve for x
    x = 1,097,863,338.75/47,119.26
  6. Step 6: Final answer
    x = 23,299.67

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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.