Home / 36,688.78-55,036.24-11,732.38

Finding the Fourth Proportional to 36,688.78, 55,036.24 and 11,732.38

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Solution

The fourth proportional to 36,688.78, 55,036.24 and 11,732.38 is: 17,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.78 : 55,036.24 = 11,732.38 : x
  2. Step 2: Convert to fraction form
    36,688.78/55,036.24 = 11,732.38/x
  3. Step 3: Cross multiply
    36,688.78x = 55,036.24 × 11,732.38
  4. Step 4: Simplify right side
    36,688.78x = 645,706,081.45
  5. Step 5: Solve for x
    x = 645,706,081.45/36,688.78
  6. Step 6: Final answer
    x = 17,599.55

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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.