Home / 34,209.26-47,195.79-20,775.44

Finding the Fourth Proportional to 34,209.26, 47,195.79 and 20,775.44

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Solution

The fourth proportional to 34,209.26, 47,195.79 and 20,775.44 is: 28,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,209.26 : 47,195.79 = 20,775.44 : x
  2. Step 2: Convert to fraction form
    34,209.26/47,195.79 = 20,775.44/x
  3. Step 3: Cross multiply
    34,209.26x = 47,195.79 × 20,775.44
  4. Step 4: Simplify right side
    34,209.26x = 980,513,303.40
  5. Step 5: Solve for x
    x = 980,513,303.40/34,209.26
  6. Step 6: Final answer
    x = 28,662.22

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1.5x scale

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.