Home / 65,867.85-98,768.16-21,466.08

Finding the Fourth Proportional to 65,867.85, 98,768.16 and 21,466.08

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Solution

The fourth proportional to 65,867.85, 98,768.16 and 21,466.08 is: 32,188.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,867.85 : 98,768.16 = 21,466.08 : x
  2. Step 2: Convert to fraction form
    65,867.85/98,768.16 = 21,466.08/x
  3. Step 3: Cross multiply
    65,867.85x = 98,768.16 × 21,466.08
  4. Step 4: Simplify right side
    65,867.85x = 2,120,165,224.01
  5. Step 5: Solve for x
    x = 2,120,165,224.01/65,867.85
  6. Step 6: Final answer
    x = 32,188.17

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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.