Home / 31,626.81-47,447.01-10,568.70

Finding the Fourth Proportional to 31,626.81, 47,447.01 and 10,568.70

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Solution

The fourth proportional to 31,626.81, 47,447.01 and 10,568.70 is: 15,855.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.81 : 47,447.01 = 10,568.70 : x
  2. Step 2: Convert to fraction form
    31,626.81/47,447.01 = 10,568.70/x
  3. Step 3: Cross multiply
    31,626.81x = 47,447.01 × 10,568.70
  4. Step 4: Simplify right side
    31,626.81x = 501,453,214.59
  5. Step 5: Solve for x
    x = 501,453,214.59/31,626.81
  6. Step 6: Final answer
    x = 15,855.32

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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.