Home / 33,787.55-46,619.08-20,172.95

Finding the Fourth Proportional to 33,787.55, 46,619.08 and 20,172.95

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Solution

The fourth proportional to 33,787.55, 46,619.08 and 20,172.95 is: 27,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.55 : 46,619.08 = 20,172.95 : x
  2. Step 2: Convert to fraction form
    33,787.55/46,619.08 = 20,172.95/x
  3. Step 3: Cross multiply
    33,787.55x = 46,619.08 × 20,172.95
  4. Step 4: Simplify right side
    33,787.55x = 940,444,086.36
  5. Step 5: Solve for x
    x = 940,444,086.36/33,787.55
  6. Step 6: Final answer
    x = 27,834.05

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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.