Home / 65,681.26-98,535.72-21,304.54

Finding the Fourth Proportional to 65,681.26, 98,535.72 and 21,304.54

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Solution

The fourth proportional to 65,681.26, 98,535.72 and 21,304.54 is: 31,961.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,681.26 : 98,535.72 = 21,304.54 : x
  2. Step 2: Convert to fraction form
    65,681.26/98,535.72 = 21,304.54/x
  3. Step 3: Cross multiply
    65,681.26x = 98,535.72 × 21,304.54
  4. Step 4: Simplify right side
    65,681.26x = 2,099,258,188.17
  5. Step 5: Solve for x
    x = 2,099,258,188.17/65,681.26
  6. Step 6: Final answer
    x = 31,961.30

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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.