Home / 29,002.10-43,503.15-17,872.70

Finding the Fourth Proportional to 29,002.10, 43,503.15 and 17,872.70

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Solution

The fourth proportional to 29,002.10, 43,503.15 and 17,872.70 is: 26,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,002.10 : 43,503.15 = 17,872.70 : x
  2. Step 2: Convert to fraction form
    29,002.10/43,503.15 = 17,872.70/x
  3. Step 3: Cross multiply
    29,002.10x = 43,503.15 × 17,872.70
  4. Step 4: Simplify right side
    29,002.10x = 777,518,749.01
  5. Step 5: Solve for x
    x = 777,518,749.01/29,002.10
  6. Step 6: Final answer
    x = 26,809.05

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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.