Home / 65,617.60-98,441.98-21,244.36

Finding the Fourth Proportional to 65,617.60, 98,441.98 and 21,244.36

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Solution

The fourth proportional to 65,617.60, 98,441.98 and 21,244.36 is: 31,871.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,617.60 : 98,441.98 = 21,244.36 : x
  2. Step 2: Convert to fraction form
    65,617.60/98,441.98 = 21,244.36/x
  3. Step 3: Cross multiply
    65,617.60x = 98,441.98 × 21,244.36
  4. Step 4: Simplify right side
    65,617.60x = 2,091,336,862.23
  5. Step 5: Solve for x
    x = 2,091,336,862.23/65,617.60
  6. Step 6: Final answer
    x = 31,871.58

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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.