Home / 36,507.15-54,759.21-19,971.95

Finding the Fourth Proportional to 36,507.15, 54,759.21 and 19,971.95

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Solution

The fourth proportional to 36,507.15, 54,759.21 and 19,971.95 is: 29,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,507.15 : 54,759.21 = 19,971.95 : x
  2. Step 2: Convert to fraction form
    36,507.15/54,759.21 = 19,971.95/x
  3. Step 3: Cross multiply
    36,507.15x = 54,759.21 × 19,971.95
  4. Step 4: Simplify right side
    36,507.15x = 1,093,648,204.16
  5. Step 5: Solve for x
    x = 1,093,648,204.16/36,507.15
  6. Step 6: Final answer
    x = 29,957.10

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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.