Home / 39,226.96-54,133.54-21,321.97

Finding the Fourth Proportional to 39,226.96, 54,133.54 and 21,321.97

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Solution

The fourth proportional to 39,226.96, 54,133.54 and 21,321.97 is: 29,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.96 : 54,133.54 = 21,321.97 : x
  2. Step 2: Convert to fraction form
    39,226.96/54,133.54 = 21,321.97/x
  3. Step 3: Cross multiply
    39,226.96x = 54,133.54 × 21,321.97
  4. Step 4: Simplify right side
    39,226.96x = 1,154,233,527.24
  5. Step 5: Solve for x
    x = 1,154,233,527.24/39,226.96
  6. Step 6: Final answer
    x = 29,424.50

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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.