Home / 29,531.28-40,735.44-21,563.76

Finding the Fourth Proportional to 29,531.28, 40,735.44 and 21,563.76

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Solution

The fourth proportional to 29,531.28, 40,735.44 and 21,563.76 is: 29,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,531.28 : 40,735.44 = 21,563.76 : x
  2. Step 2: Convert to fraction form
    29,531.28/40,735.44 = 21,563.76/x
  3. Step 3: Cross multiply
    29,531.28x = 40,735.44 × 21,563.76
  4. Step 4: Simplify right side
    29,531.28x = 878,409,251.65
  5. Step 5: Solve for x
    x = 878,409,251.65/29,531.28
  6. Step 6: Final answer
    x = 29,745.04

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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.