Home / 29,137.20-43,738.20-18,056.40

Finding the Fourth Proportional to 29,137.20, 43,738.20 and 18,056.40

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Solution

The fourth proportional to 29,137.20, 43,738.20 and 18,056.40 is: 27,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.20 : 43,738.20 = 18,056.40 : x
  2. Step 2: Convert to fraction form
    29,137.20/43,738.20 = 18,056.40/x
  3. Step 3: Cross multiply
    29,137.20x = 43,738.20 × 18,056.40
  4. Step 4: Simplify right side
    29,137.20x = 789,754,434.48
  5. Step 5: Solve for x
    x = 789,754,434.48/29,137.20
  6. Step 6: Final answer
    x = 27,104.68

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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.