Home / 65,520.66-98,298-18,777.18

Finding the Fourth Proportional to 65,520.66, 98,298 and 18,777.18

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Solution

The fourth proportional to 65,520.66, 98,298 and 18,777.18 is: 28,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,520.66 : 98,298 = 18,777.18 : x
  2. Step 2: Convert to fraction form
    65,520.66/98,298 = 18,777.18/x
  3. Step 3: Cross multiply
    65,520.66x = 98,298 × 18,777.18
  4. Step 4: Simplify right side
    65,520.66x = 1,845,759,239.64
  5. Step 5: Solve for x
    x = 1,845,759,239.64/65,520.66
  6. Step 6: Final answer
    x = 28,170.64

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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.