Home / 29,149.84-43,720.10-10,426.38

Finding the Fourth Proportional to 29,149.84, 43,720.10 and 10,426.38

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Solution

The fourth proportional to 29,149.84, 43,720.10 and 10,426.38 is: 15,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,149.84 : 43,720.10 = 10,426.38 : x
  2. Step 2: Convert to fraction form
    29,149.84/43,720.10 = 10,426.38/x
  3. Step 3: Cross multiply
    29,149.84x = 43,720.10 × 10,426.38
  4. Step 4: Simplify right side
    29,149.84x = 455,842,376.24
  5. Step 5: Solve for x
    x = 455,842,376.24/29,149.84
  6. Step 6: Final answer
    x = 15,637.90

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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.