Home / 47,107.40-70,672.23-15,517.94

Finding the Fourth Proportional to 47,107.40, 70,672.23 and 15,517.94

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Solution

The fourth proportional to 47,107.40, 70,672.23 and 15,517.94 is: 23,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.40 : 70,672.23 = 15,517.94 : x
  2. Step 2: Convert to fraction form
    47,107.40/70,672.23 = 15,517.94/x
  3. Step 3: Cross multiply
    47,107.40x = 70,672.23 × 15,517.94
  4. Step 4: Simplify right side
    47,107.40x = 1,096,687,071.45
  5. Step 5: Solve for x
    x = 1,096,687,071.45/47,107.40
  6. Step 6: Final answer
    x = 23,280.57

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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.