Home / 31,153.62-43,035.39-27,795.36

Finding the Fourth Proportional to 31,153.62, 43,035.39 and 27,795.36

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Solution

The fourth proportional to 31,153.62, 43,035.39 and 27,795.36 is: 38,396.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153.62 : 43,035.39 = 27,795.36 : x
  2. Step 2: Convert to fraction form
    31,153.62/43,035.39 = 27,795.36/x
  3. Step 3: Cross multiply
    31,153.62x = 43,035.39 × 27,795.36
  4. Step 4: Simplify right side
    31,153.62x = 1,196,184,157.79
  5. Step 5: Solve for x
    x = 1,196,184,157.79/31,153.62
  6. Step 6: Final answer
    x = 38,396.31

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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.