Home / 35,825.25-49,439.84-20,716.45

Finding the Fourth Proportional to 35,825.25, 49,439.84 and 20,716.45

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Solution

The fourth proportional to 35,825.25, 49,439.84 and 20,716.45 is: 28,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.25 : 49,439.84 = 20,716.45 : x
  2. Step 2: Convert to fraction form
    35,825.25/49,439.84 = 20,716.45/x
  3. Step 3: Cross multiply
    35,825.25x = 49,439.84 × 20,716.45
  4. Step 4: Simplify right side
    35,825.25x = 1,024,217,973.37
  5. Step 5: Solve for x
    x = 1,024,217,973.37/35,825.25
  6. Step 6: Final answer
    x = 28,589.28

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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.