Home / 29,015.49-40,027.73-21,040.23

Finding the Fourth Proportional to 29,015.49, 40,027.73 and 21,040.23

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Solution

The fourth proportional to 29,015.49, 40,027.73 and 21,040.23 is: 29,025.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,015.49 : 40,027.73 = 21,040.23 : x
  2. Step 2: Convert to fraction form
    29,015.49/40,027.73 = 21,040.23/x
  3. Step 3: Cross multiply
    29,015.49x = 40,027.73 × 21,040.23
  4. Step 4: Simplify right side
    29,015.49x = 842,192,540.38
  5. Step 5: Solve for x
    x = 842,192,540.38/29,015.49
  6. Step 6: Final answer
    x = 29,025.62

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Half scale
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Double scale
Find fourth proportional to 29,016.49, 40,029.10 and 21,041.23
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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.