Home / 29,154.12-43,720.46-10,429.08

Finding the Fourth Proportional to 29,154.12, 43,720.46 and 10,429.08

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Solution

The fourth proportional to 29,154.12, 43,720.46 and 10,429.08 is: 15,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,154.12 : 43,720.46 = 10,429.08 : x
  2. Step 2: Convert to fraction form
    29,154.12/43,720.46 = 10,429.08/x
  3. Step 3: Cross multiply
    29,154.12x = 43,720.46 × 10,429.08
  4. Step 4: Simplify right side
    29,154.12x = 455,963,982.45
  5. Step 5: Solve for x
    x = 455,963,982.45/29,154.12
  6. Step 6: Final answer
    x = 15,639.78

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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.