Home / 31,356.82-47,011.08-27,191.09

Finding the Fourth Proportional to 31,356.82, 47,011.08 and 27,191.09

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Solution

The fourth proportional to 31,356.82, 47,011.08 and 27,191.09 is: 40,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.82 : 47,011.08 = 27,191.09 : x
  2. Step 2: Convert to fraction form
    31,356.82/47,011.08 = 27,191.09/x
  3. Step 3: Cross multiply
    31,356.82x = 47,011.08 × 27,191.09
  4. Step 4: Simplify right side
    31,356.82x = 1,278,282,726.77
  5. Step 5: Solve for x
    x = 1,278,282,726.77/31,356.82
  6. Step 6: Final answer
    x = 40,765.70

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1.5x scale

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.