Home / 35,524.20-48,993.30-21,374.40

Finding the Fourth Proportional to 35,524.20, 48,993.30 and 21,374.40

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Solution

The fourth proportional to 35,524.20, 48,993.30 and 21,374.40 is: 29,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,524.20 : 48,993.30 = 21,374.40 : x
  2. Step 2: Convert to fraction form
    35,524.20/48,993.30 = 21,374.40/x
  3. Step 3: Cross multiply
    35,524.20x = 48,993.30 × 21,374.40
  4. Step 4: Simplify right side
    35,524.20x = 1,047,202,391.52
  5. Step 5: Solve for x
    x = 1,047,202,391.52/35,524.20
  6. Step 6: Final answer
    x = 29,478.56

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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.