Home / 35,891.52-53,778.04-20,856.44

Finding the Fourth Proportional to 35,891.52, 53,778.04 and 20,856.44

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Solution

The fourth proportional to 35,891.52, 53,778.04 and 20,856.44 is: 31,250.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.52 : 53,778.04 = 20,856.44 : x
  2. Step 2: Convert to fraction form
    35,891.52/53,778.04 = 20,856.44/x
  3. Step 3: Cross multiply
    35,891.52x = 53,778.04 × 20,856.44
  4. Step 4: Simplify right side
    35,891.52x = 1,121,618,195.69
  5. Step 5: Solve for x
    x = 1,121,618,195.69/35,891.52
  6. Step 6: Final answer
    x = 31,250.23

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1.5x scale

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.