Home / 48,036.45-66,286.35-27,886.89

Finding the Fourth Proportional to 48,036.45, 66,286.35 and 27,886.89

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Solution

The fourth proportional to 48,036.45, 66,286.35 and 27,886.89 is: 38,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,036.45 : 66,286.35 = 27,886.89 : x
  2. Step 2: Convert to fraction form
    48,036.45/66,286.35 = 27,886.89/x
  3. Step 3: Cross multiply
    48,036.45x = 66,286.35 × 27,886.89
  4. Step 4: Simplify right side
    48,036.45x = 1,848,520,150.95
  5. Step 5: Solve for x
    x = 1,848,520,150.95/48,036.45
  6. Step 6: Final answer
    x = 38,481.61

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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.