Home / 65,739.88-98,560.61-21,340.13

Finding the Fourth Proportional to 65,739.88, 98,560.61 and 21,340.13

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Solution

The fourth proportional to 65,739.88, 98,560.61 and 21,340.13 is: 31,994.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.88 : 98,560.61 = 21,340.13 : x
  2. Step 2: Convert to fraction form
    65,739.88/98,560.61 = 21,340.13/x
  3. Step 3: Cross multiply
    65,739.88x = 98,560.61 × 21,340.13
  4. Step 4: Simplify right side
    65,739.88x = 2,103,296,123.58
  5. Step 5: Solve for x
    x = 2,103,296,123.58/65,739.88
  6. Step 6: Final answer
    x = 31,994.22

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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.