Home / 38,608.36-57,921.04-21,976.22

Finding the Fourth Proportional to 38,608.36, 57,921.04 and 21,976.22

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Solution

The fourth proportional to 38,608.36, 57,921.04 and 21,976.22 is: 32,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,608.36 : 57,921.04 = 21,976.22 : x
  2. Step 2: Convert to fraction form
    38,608.36/57,921.04 = 21,976.22/x
  3. Step 3: Cross multiply
    38,608.36x = 57,921.04 × 21,976.22
  4. Step 4: Simplify right side
    38,608.36x = 1,272,885,517.67
  5. Step 5: Solve for x
    x = 1,272,885,517.67/38,608.36
  6. Step 6: Final answer
    x = 32,969.17

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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.