Home / 29,111.44-40,210.92-21,571.60

Finding the Fourth Proportional to 29,111.44, 40,210.92 and 21,571.60

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Solution

The fourth proportional to 29,111.44, 40,210.92 and 21,571.60 is: 29,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.44 : 40,210.92 = 21,571.60 : x
  2. Step 2: Convert to fraction form
    29,111.44/40,210.92 = 21,571.60/x
  3. Step 3: Cross multiply
    29,111.44x = 40,210.92 × 21,571.60
  4. Step 4: Simplify right side
    29,111.44x = 867,413,881.87
  5. Step 5: Solve for x
    x = 867,413,881.87/29,111.44
  6. Step 6: Final answer
    x = 29,796.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.