Home / 36,691.79-55,036.67-11,731.64

Finding the Fourth Proportional to 36,691.79, 55,036.67 and 11,731.64

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Solution

The fourth proportional to 36,691.79, 55,036.67 and 11,731.64 is: 17,597.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691.79 : 55,036.67 = 11,731.64 : x
  2. Step 2: Convert to fraction form
    36,691.79/55,036.67 = 11,731.64/x
  3. Step 3: Cross multiply
    36,691.79x = 55,036.67 × 11,731.64
  4. Step 4: Simplify right side
    36,691.79x = 645,670,065.40
  5. Step 5: Solve for x
    x = 645,670,065.40/36,691.79
  6. Step 6: Final answer
    x = 17,597.13

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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.