Home / 39,791.39-54,919.92-22,807.02

Finding the Fourth Proportional to 39,791.39, 54,919.92 and 22,807.02

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Solution

The fourth proportional to 39,791.39, 54,919.92 and 22,807.02 is: 31,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,791.39 : 54,919.92 = 22,807.02 : x
  2. Step 2: Convert to fraction form
    39,791.39/54,919.92 = 22,807.02/x
  3. Step 3: Cross multiply
    39,791.39x = 54,919.92 × 22,807.02
  4. Step 4: Simplify right side
    39,791.39x = 1,252,559,638.79
  5. Step 5: Solve for x
    x = 1,252,559,638.79/39,791.39
  6. Step 6: Final answer
    x = 31,478.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.