Home / 31,340.62-47,015.25-10,570.06

Finding the Fourth Proportional to 31,340.62, 47,015.25 and 10,570.06

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Solution

The fourth proportional to 31,340.62, 47,015.25 and 10,570.06 is: 15,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,340.62 : 47,015.25 = 10,570.06 : x
  2. Step 2: Convert to fraction form
    31,340.62/47,015.25 = 10,570.06/x
  3. Step 3: Cross multiply
    31,340.62x = 47,015.25 × 10,570.06
  4. Step 4: Simplify right side
    31,340.62x = 496,954,013.42
  5. Step 5: Solve for x
    x = 496,954,013.42/31,340.62
  6. Step 6: Final answer
    x = 15,856.55

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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.