Home / 36,639.21-54,921.78-14,443.95

Finding the Fourth Proportional to 36,639.21, 54,921.78 and 14,443.95

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Solution

The fourth proportional to 36,639.21, 54,921.78 and 14,443.95 is: 21,651.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639.21 : 54,921.78 = 14,443.95 : x
  2. Step 2: Convert to fraction form
    36,639.21/54,921.78 = 14,443.95/x
  3. Step 3: Cross multiply
    36,639.21x = 54,921.78 × 14,443.95
  4. Step 4: Simplify right side
    36,639.21x = 793,287,444.23
  5. Step 5: Solve for x
    x = 793,287,444.23/36,639.21
  6. Step 6: Final answer
    x = 21,651.33

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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.