Home / 35,765.86-49,353.69-19,850.71

Finding the Fourth Proportional to 35,765.86, 49,353.69 and 19,850.71

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Solution

The fourth proportional to 35,765.86, 49,353.69 and 19,850.71 is: 27,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,765.86 : 49,353.69 = 19,850.71 : x
  2. Step 2: Convert to fraction form
    35,765.86/49,353.69 = 19,850.71/x
  3. Step 3: Cross multiply
    35,765.86x = 49,353.69 × 19,850.71
  4. Step 4: Simplify right side
    35,765.86x = 979,705,787.62
  5. Step 5: Solve for x
    x = 979,705,787.62/35,765.86
  6. Step 6: Final answer
    x = 27,392.21

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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.