Home / 47,771.56-71,671.74-19,293.88

Finding the Fourth Proportional to 47,771.56, 71,671.74 and 19,293.88

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Solution

The fourth proportional to 47,771.56, 71,671.74 and 19,293.88 is: 28,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.56 : 71,671.74 = 19,293.88 : x
  2. Step 2: Convert to fraction form
    47,771.56/71,671.74 = 19,293.88/x
  3. Step 3: Cross multiply
    47,771.56x = 71,671.74 × 19,293.88
  4. Step 4: Simplify right side
    47,771.56x = 1,382,825,950.95
  5. Step 5: Solve for x
    x = 1,382,825,950.95/47,771.56
  6. Step 6: Final answer
    x = 28,946.64

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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.