Home / 65,680.19-98,511.04-21,307.33

Finding the Fourth Proportional to 65,680.19, 98,511.04 and 21,307.33

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Solution

The fourth proportional to 65,680.19, 98,511.04 and 21,307.33 is: 31,958.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,680.19 : 98,511.04 = 21,307.33 : x
  2. Step 2: Convert to fraction form
    65,680.19/98,511.04 = 21,307.33/x
  3. Step 3: Cross multiply
    65,680.19x = 98,511.04 × 21,307.33
  4. Step 4: Simplify right side
    65,680.19x = 2,099,007,237.92
  5. Step 5: Solve for x
    x = 2,099,007,237.92/65,680.19
  6. Step 6: Final answer
    x = 31,958.00

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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.