Home / 23,103.28-34,487.78-20,300.77

Finding the Fourth Proportional to 23,103.28, 34,487.78 and 20,300.77

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Solution

The fourth proportional to 23,103.28, 34,487.78 and 20,300.77 is: 30,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.28 : 34,487.78 = 20,300.77 : x
  2. Step 2: Convert to fraction form
    23,103.28/34,487.78 = 20,300.77/x
  3. Step 3: Cross multiply
    23,103.28x = 34,487.78 × 20,300.77
  4. Step 4: Simplify right side
    23,103.28x = 700,128,489.59
  5. Step 5: Solve for x
    x = 700,128,489.59/23,103.28
  6. Step 6: Final answer
    x = 30,304.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.