Home / 39,958.22-55,139.40-22,962.49

Finding the Fourth Proportional to 39,958.22, 55,139.40 and 22,962.49

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Solution

The fourth proportional to 39,958.22, 55,139.40 and 22,962.49 is: 31,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.22 : 55,139.40 = 22,962.49 : x
  2. Step 2: Convert to fraction form
    39,958.22/55,139.40 = 22,962.49/x
  3. Step 3: Cross multiply
    39,958.22x = 55,139.40 × 22,962.49
  4. Step 4: Simplify right side
    39,958.22x = 1,266,138,093.42
  5. Step 5: Solve for x
    x = 1,266,138,093.42/39,958.22
  6. Step 6: Final answer
    x = 31,686.55

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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.