Home / 29,107.71-43,626.28-20,660.93

Finding the Fourth Proportional to 29,107.71, 43,626.28 and 20,660.93

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Solution

The fourth proportional to 29,107.71, 43,626.28 and 20,660.93 is: 30,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107.71 : 43,626.28 = 20,660.93 : x
  2. Step 2: Convert to fraction form
    29,107.71/43,626.28 = 20,660.93/x
  3. Step 3: Cross multiply
    29,107.71x = 43,626.28 × 20,660.93
  4. Step 4: Simplify right side
    29,107.71x = 901,359,517.24
  5. Step 5: Solve for x
    x = 901,359,517.24/29,107.71
  6. Step 6: Final answer
    x = 30,966.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.