Home / 65,727.90-98,616.15-21,356.10

Finding the Fourth Proportional to 65,727.90, 98,616.15 and 21,356.10

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Solution

The fourth proportional to 65,727.90, 98,616.15 and 21,356.10 is: 32,042.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.90 : 98,616.15 = 21,356.10 : x
  2. Step 2: Convert to fraction form
    65,727.90/98,616.15 = 21,356.10/x
  3. Step 3: Cross multiply
    65,727.90x = 98,616.15 × 21,356.10
  4. Step 4: Simplify right side
    65,727.90x = 2,106,056,361.02
  5. Step 5: Solve for x
    x = 2,106,056,361.02/65,727.90
  6. Step 6: Final answer
    x = 32,042.05

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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.