Home / 47,729.70-71,594.55-47,438.10

Finding the Fourth Proportional to 47,729.70, 71,594.55 and 47,438.10

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Solution

The fourth proportional to 47,729.70, 71,594.55 and 47,438.10 is: 71,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.70 : 71,594.55 = 47,438.10 : x
  2. Step 2: Convert to fraction form
    47,729.70/71,594.55 = 47,438.10/x
  3. Step 3: Cross multiply
    47,729.70x = 71,594.55 × 47,438.10
  4. Step 4: Simplify right side
    47,729.70x = 3,396,309,422.36
  5. Step 5: Solve for x
    x = 3,396,309,422.36/47,729.70
  6. Step 6: Final answer
    x = 71,157.15

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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.