Home / 39,525.96-54,546.63-21,622.14

Finding the Fourth Proportional to 39,525.96, 54,546.63 and 21,622.14

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Solution

The fourth proportional to 39,525.96, 54,546.63 and 21,622.14 is: 29,838.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,525.96 : 54,546.63 = 21,622.14 : x
  2. Step 2: Convert to fraction form
    39,525.96/54,546.63 = 21,622.14/x
  3. Step 3: Cross multiply
    39,525.96x = 54,546.63 × 21,622.14
  4. Step 4: Simplify right side
    39,525.96x = 1,179,414,870.39
  5. Step 5: Solve for x
    x = 1,179,414,870.39/39,525.96
  6. Step 6: Final answer
    x = 29,838.99

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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.