Home / 39,742.24-54,837.84-22,972

Finding the Fourth Proportional to 39,742.24, 54,837.84 and 22,972

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Solution

The fourth proportional to 39,742.24, 54,837.84 and 22,972 is: 31,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,742.24 : 54,837.84 = 22,972 : x
  2. Step 2: Convert to fraction form
    39,742.24/54,837.84 = 22,972/x
  3. Step 3: Cross multiply
    39,742.24x = 54,837.84 × 22,972
  4. Step 4: Simplify right side
    39,742.24x = 1,259,734,860.48
  5. Step 5: Solve for x
    x = 1,259,734,860.48/39,742.24
  6. Step 6: Final answer
    x = 31,697.63

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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.