Home / 60,617.82-90,968.32-21,175

Finding the Fourth Proportional to 60,617.82, 90,968.32 and 21,175

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Solution

The fourth proportional to 60,617.82, 90,968.32 and 21,175 is: 31,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,617.82 : 90,968.32 = 21,175 : x
  2. Step 2: Convert to fraction form
    60,617.82/90,968.32 = 21,175/x
  3. Step 3: Cross multiply
    60,617.82x = 90,968.32 × 21,175
  4. Step 4: Simplify right side
    60,617.82x = 1,926,254,176.00
  5. Step 5: Solve for x
    x = 1,926,254,176.00/60,617.82
  6. Step 6: Final answer
    x = 31,777.03

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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.