Home / 29,130.20-43,727.70-18,049.40

Finding the Fourth Proportional to 29,130.20, 43,727.70 and 18,049.40

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Solution

The fourth proportional to 29,130.20, 43,727.70 and 18,049.40 is: 27,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,130.20 : 43,727.70 = 18,049.40 : x
  2. Step 2: Convert to fraction form
    29,130.20/43,727.70 = 18,049.40/x
  3. Step 3: Cross multiply
    29,130.20x = 43,727.70 × 18,049.40
  4. Step 4: Simplify right side
    29,130.20x = 789,258,748.38
  5. Step 5: Solve for x
    x = 789,258,748.38/29,130.20
  6. Step 6: Final answer
    x = 27,094.18

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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.