Home / 47,478.55-71,242.58-34,438.56

Finding the Fourth Proportional to 47,478.55, 71,242.58 and 34,438.56

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Solution

The fourth proportional to 47,478.55, 71,242.58 and 34,438.56 is: 51,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.55 : 71,242.58 = 34,438.56 : x
  2. Step 2: Convert to fraction form
    47,478.55/71,242.58 = 34,438.56/x
  3. Step 3: Cross multiply
    47,478.55x = 71,242.58 × 34,438.56
  4. Step 4: Simplify right side
    47,478.55x = 2,453,491,865.88
  5. Step 5: Solve for x
    x = 2,453,491,865.88/47,478.55
  6. Step 6: Final answer
    x = 51,675.80

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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.