Home / 65,965.62-98,938.86-21,594.13

Finding the Fourth Proportional to 65,965.62, 98,938.86 and 21,594.13

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Solution

The fourth proportional to 65,965.62, 98,938.86 and 21,594.13 is: 32,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,965.62 : 98,938.86 = 21,594.13 : x
  2. Step 2: Convert to fraction form
    65,965.62/98,938.86 = 21,594.13/x
  3. Step 3: Cross multiply
    65,965.62x = 98,938.86 × 21,594.13
  4. Step 4: Simplify right side
    65,965.62x = 2,136,498,604.89
  5. Step 5: Solve for x
    x = 2,136,498,604.89/65,965.62
  6. Step 6: Final answer
    x = 32,388.06

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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.