Home / 51,998.40-77,997.60-31,003.20

Finding the Fourth Proportional to 51,998.40, 77,997.60 and 31,003.20

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Solution

The fourth proportional to 51,998.40, 77,997.60 and 31,003.20 is: 46,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.40 : 77,997.60 = 31,003.20 : x
  2. Step 2: Convert to fraction form
    51,998.40/77,997.60 = 31,003.20/x
  3. Step 3: Cross multiply
    51,998.40x = 77,997.60 × 31,003.20
  4. Step 4: Simplify right side
    51,998.40x = 2,418,175,192.32
  5. Step 5: Solve for x
    x = 2,418,175,192.32/51,998.40
  6. Step 6: Final answer
    x = 46,504.80

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Similar ratio
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1.5x scale

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.