Home / 40,155.84-55,415.48-22,251.06

Finding the Fourth Proportional to 40,155.84, 55,415.48 and 22,251.06

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Solution

The fourth proportional to 40,155.84, 55,415.48 and 22,251.06 is: 30,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,155.84 : 55,415.48 = 22,251.06 : x
  2. Step 2: Convert to fraction form
    40,155.84/55,415.48 = 22,251.06/x
  3. Step 3: Cross multiply
    40,155.84x = 55,415.48 × 22,251.06
  4. Step 4: Simplify right side
    40,155.84x = 1,233,053,059.15
  5. Step 5: Solve for x
    x = 1,233,053,059.15/40,155.84
  6. Step 6: Final answer
    x = 30,706.69

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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.