Home / 29,167.20-43,783.20-18,086.40

Finding the Fourth Proportional to 29,167.20, 43,783.20 and 18,086.40

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Solution

The fourth proportional to 29,167.20, 43,783.20 and 18,086.40 is: 27,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,167.20 : 43,783.20 = 18,086.40 : x
  2. Step 2: Convert to fraction form
    29,167.20/43,783.20 = 18,086.40/x
  3. Step 3: Cross multiply
    29,167.20x = 43,783.20 × 18,086.40
  4. Step 4: Simplify right side
    29,167.20x = 791,880,468.48
  5. Step 5: Solve for x
    x = 791,880,468.48/29,167.20
  6. Step 6: Final answer
    x = 27,149.69

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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.