Home / 43,314.08-64,963.80-12,149.36

Finding the Fourth Proportional to 43,314.08, 64,963.80 and 12,149.36

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Solution

The fourth proportional to 43,314.08, 64,963.80 and 12,149.36 is: 18,221.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.08 : 64,963.80 = 12,149.36 : x
  2. Step 2: Convert to fraction form
    43,314.08/64,963.80 = 12,149.36/x
  3. Step 3: Cross multiply
    43,314.08x = 64,963.80 × 12,149.36
  4. Step 4: Simplify right side
    43,314.08x = 789,268,593.17
  5. Step 5: Solve for x
    x = 789,268,593.17/43,314.08
  6. Step 6: Final answer
    x = 18,221.99

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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.