Home / 29,313.36-40,399.56-21,342.96

Finding the Fourth Proportional to 29,313.36, 40,399.56 and 21,342.96

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Solution

The fourth proportional to 29,313.36, 40,399.56 and 21,342.96 is: 29,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.36 : 40,399.56 = 21,342.96 : x
  2. Step 2: Convert to fraction form
    29,313.36/40,399.56 = 21,342.96/x
  3. Step 3: Cross multiply
    29,313.36x = 40,399.56 × 21,342.96
  4. Step 4: Simplify right side
    29,313.36x = 862,246,193.10
  5. Step 5: Solve for x
    x = 862,246,193.10/29,313.36
  6. Step 6: Final answer
    x = 29,414.79

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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.