Home / 31,496.04-47,218.55-11,771.73

Finding the Fourth Proportional to 31,496.04, 47,218.55 and 11,771.73

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Solution

The fourth proportional to 31,496.04, 47,218.55 and 11,771.73 is: 17,648.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,496.04 : 47,218.55 = 11,771.73 : x
  2. Step 2: Convert to fraction form
    31,496.04/47,218.55 = 11,771.73/x
  3. Step 3: Cross multiply
    31,496.04x = 47,218.55 × 11,771.73
  4. Step 4: Simplify right side
    31,496.04x = 555,843,962.73
  5. Step 5: Solve for x
    x = 555,843,962.73/31,496.04
  6. Step 6: Final answer
    x = 17,648.06

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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.