Home / 29,147.68-43,710.81-10,422.64

Finding the Fourth Proportional to 29,147.68, 43,710.81 and 10,422.64

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Solution

The fourth proportional to 29,147.68, 43,710.81 and 10,422.64 is: 15,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,147.68 : 43,710.81 = 10,422.64 : x
  2. Step 2: Convert to fraction form
    29,147.68/43,710.81 = 10,422.64/x
  3. Step 3: Cross multiply
    29,147.68x = 43,710.81 × 10,422.64
  4. Step 4: Simplify right side
    29,147.68x = 455,582,052.29
  5. Step 5: Solve for x
    x = 455,582,052.29/29,147.68
  6. Step 6: Final answer
    x = 15,630.13

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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.