Home / 47,854.97-71,776.98-12,797.36

Finding the Fourth Proportional to 47,854.97, 71,776.98 and 12,797.36

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Solution

The fourth proportional to 47,854.97, 71,776.98 and 12,797.36 is: 19,194.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.97 : 71,776.98 = 12,797.36 : x
  2. Step 2: Convert to fraction form
    47,854.97/71,776.98 = 12,797.36/x
  3. Step 3: Cross multiply
    47,854.97x = 71,776.98 × 12,797.36
  4. Step 4: Simplify right side
    47,854.97x = 918,555,763.05
  5. Step 5: Solve for x
    x = 918,555,763.05/47,854.97
  6. Step 6: Final answer
    x = 19,194.57

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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.