Home / 38,952.78-58,438.86-11,250.78

Finding the Fourth Proportional to 38,952.78, 58,438.86 and 11,250.78

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Solution

The fourth proportional to 38,952.78, 58,438.86 and 11,250.78 is: 16,878.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,952.78 : 58,438.86 = 11,250.78 : x
  2. Step 2: Convert to fraction form
    38,952.78/58,438.86 = 11,250.78/x
  3. Step 3: Cross multiply
    38,952.78x = 58,438.86 × 11,250.78
  4. Step 4: Simplify right side
    38,952.78x = 657,482,757.31
  5. Step 5: Solve for x
    x = 657,482,757.31/38,952.78
  6. Step 6: Final answer
    x = 16,878.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.