Home / 31,355.68-43,165.32-27,164.94

Finding the Fourth Proportional to 31,355.68, 43,165.32 and 27,164.94

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Solution

The fourth proportional to 31,355.68, 43,165.32 and 27,164.94 is: 37,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.68 : 43,165.32 = 27,164.94 : x
  2. Step 2: Convert to fraction form
    31,355.68/43,165.32 = 27,164.94/x
  3. Step 3: Cross multiply
    31,355.68x = 43,165.32 × 27,164.94
  4. Step 4: Simplify right side
    31,355.68x = 1,172,583,503.71
  5. Step 5: Solve for x
    x = 1,172,583,503.71/31,355.68
  6. Step 6: Final answer
    x = 37,396.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.