Home / 65,488.27-98,222.38-21,110.39

Finding the Fourth Proportional to 65,488.27, 98,222.38 and 21,110.39

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Solution

The fourth proportional to 65,488.27, 98,222.38 and 21,110.39 is: 31,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,488.27 : 98,222.38 = 21,110.39 : x
  2. Step 2: Convert to fraction form
    65,488.27/98,222.38 = 21,110.39/x
  3. Step 3: Cross multiply
    65,488.27x = 98,222.38 × 21,110.39
  4. Step 4: Simplify right side
    65,488.27x = 2,073,512,941.31
  5. Step 5: Solve for x
    x = 2,073,512,941.31/65,488.27
  6. Step 6: Final answer
    x = 31,662.36

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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.