Home / 36,268.43-54,369.81-12,889.40

Finding the Fourth Proportional to 36,268.43, 54,369.81 and 12,889.40

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Solution

The fourth proportional to 36,268.43, 54,369.81 and 12,889.40 is: 19,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,268.43 : 54,369.81 = 12,889.40 : x
  2. Step 2: Convert to fraction form
    36,268.43/54,369.81 = 12,889.40/x
  3. Step 3: Cross multiply
    36,268.43x = 54,369.81 × 12,889.40
  4. Step 4: Simplify right side
    36,268.43x = 700,793,957.16
  5. Step 5: Solve for x
    x = 700,793,957.16/36,268.43
  6. Step 6: Final answer
    x = 19,322.43

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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.