Home / 37,639.84-51,933.81-21,724.25

Finding the Fourth Proportional to 37,639.84, 51,933.81 and 21,724.25

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Solution

The fourth proportional to 37,639.84, 51,933.81 and 21,724.25 is: 29,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,639.84 : 51,933.81 = 21,724.25 : x
  2. Step 2: Convert to fraction form
    37,639.84/51,933.81 = 21,724.25/x
  3. Step 3: Cross multiply
    37,639.84x = 51,933.81 × 21,724.25
  4. Step 4: Simplify right side
    37,639.84x = 1,128,223,063.62
  5. Step 5: Solve for x
    x = 1,128,223,063.62/37,639.84
  6. Step 6: Final answer
    x = 29,974.17

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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.