Home / 36,207-54,261.18-18,639.72

Finding the Fourth Proportional to 36,207, 54,261.18 and 18,639.72

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Solution

The fourth proportional to 36,207, 54,261.18 and 18,639.72 is: 27,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207 : 54,261.18 = 18,639.72 : x
  2. Step 2: Convert to fraction form
    36,207/54,261.18 = 18,639.72/x
  3. Step 3: Cross multiply
    36,207x = 54,261.18 × 18,639.72
  4. Step 4: Simplify right side
    36,207x = 1,011,413,202.07
  5. Step 5: Solve for x
    x = 1,011,413,202.07/36,207
  6. Step 6: Final answer
    x = 27,934.19

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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.