Home / 39,759.46-54,868.46-21,610.16

Finding the Fourth Proportional to 39,759.46, 54,868.46 and 21,610.16

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Solution

The fourth proportional to 39,759.46, 54,868.46 and 21,610.16 is: 29,822.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.46 : 54,868.46 = 21,610.16 : x
  2. Step 2: Convert to fraction form
    39,759.46/54,868.46 = 21,610.16/x
  3. Step 3: Cross multiply
    39,759.46x = 54,868.46 × 21,610.16
  4. Step 4: Simplify right side
    39,759.46x = 1,185,716,022.92
  5. Step 5: Solve for x
    x = 1,185,716,022.92/39,759.46
  6. Step 6: Final answer
    x = 29,822.24

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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.