Home / 35,793.38-49,399.40-21,646.20

Finding the Fourth Proportional to 35,793.38, 49,399.40 and 21,646.20

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Solution

The fourth proportional to 35,793.38, 49,399.40 and 21,646.20 is: 29,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,793.38 : 49,399.40 = 21,646.20 : x
  2. Step 2: Convert to fraction form
    35,793.38/49,399.40 = 21,646.20/x
  3. Step 3: Cross multiply
    35,793.38x = 49,399.40 × 21,646.20
  4. Step 4: Simplify right side
    35,793.38x = 1,069,309,292.28
  5. Step 5: Solve for x
    x = 1,069,309,292.28/35,793.38
  6. Step 6: Final answer
    x = 29,874.50

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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.