Home / 29,168.10-43,752.15-18,038.70

Finding the Fourth Proportional to 29,168.10, 43,752.15 and 18,038.70

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Solution

The fourth proportional to 29,168.10, 43,752.15 and 18,038.70 is: 27,058.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,168.10 : 43,752.15 = 18,038.70 : x
  2. Step 2: Convert to fraction form
    29,168.10/43,752.15 = 18,038.70/x
  3. Step 3: Cross multiply
    29,168.10x = 43,752.15 × 18,038.70
  4. Step 4: Simplify right side
    29,168.10x = 789,231,908.21
  5. Step 5: Solve for x
    x = 789,231,908.21/29,168.10
  6. Step 6: Final answer
    x = 27,058.05

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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.