Home / 65,934.82-98,917.79-21,561.40

Finding the Fourth Proportional to 65,934.82, 98,917.79 and 21,561.40

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Solution

The fourth proportional to 65,934.82, 98,917.79 and 21,561.40 is: 32,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.82 : 98,917.79 = 21,561.40 : x
  2. Step 2: Convert to fraction form
    65,934.82/98,917.79 = 21,561.40/x
  3. Step 3: Cross multiply
    65,934.82x = 98,917.79 × 21,561.40
  4. Step 4: Simplify right side
    65,934.82x = 2,132,805,929.50
  5. Step 5: Solve for x
    x = 2,132,805,929.50/65,934.82
  6. Step 6: Final answer
    x = 32,347.19

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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.