Home / 34,591.80-47,734.74-20,445.96

Finding the Fourth Proportional to 34,591.80, 47,734.74 and 20,445.96

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Solution

The fourth proportional to 34,591.80, 47,734.74 and 20,445.96 is: 28,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,591.80 : 47,734.74 = 20,445.96 : x
  2. Step 2: Convert to fraction form
    34,591.80/47,734.74 = 20,445.96/x
  3. Step 3: Cross multiply
    34,591.80x = 47,734.74 × 20,445.96
  4. Step 4: Simplify right side
    34,591.80x = 975,982,584.65
  5. Step 5: Solve for x
    x = 975,982,584.65/34,591.80
  6. Step 6: Final answer
    x = 28,214.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.