Home / 55,974.84-77,241.78-30,824.28

Finding the Fourth Proportional to 55,974.84, 77,241.78 and 30,824.28

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Solution

The fourth proportional to 55,974.84, 77,241.78 and 30,824.28 is: 42,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,974.84 : 77,241.78 = 30,824.28 : x
  2. Step 2: Convert to fraction form
    55,974.84/77,241.78 = 30,824.28/x
  3. Step 3: Cross multiply
    55,974.84x = 77,241.78 × 30,824.28
  4. Step 4: Simplify right side
    55,974.84x = 2,380,922,254.42
  5. Step 5: Solve for x
    x = 2,380,922,254.42/55,974.84
  6. Step 6: Final answer
    x = 42,535.58

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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.