Home / 40,736.25-61,055.03-21,003.98

Finding the Fourth Proportional to 40,736.25, 61,055.03 and 21,003.98

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Solution

The fourth proportional to 40,736.25, 61,055.03 and 21,003.98 is: 31,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.25 : 61,055.03 = 21,003.98 : x
  2. Step 2: Convert to fraction form
    40,736.25/61,055.03 = 21,003.98/x
  3. Step 3: Cross multiply
    40,736.25x = 61,055.03 × 21,003.98
  4. Step 4: Simplify right side
    40,736.25x = 1,282,398,376.25
  5. Step 5: Solve for x
    x = 1,282,398,376.25/40,736.25
  6. Step 6: Final answer
    x = 31,480.52

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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.