Home / 31,905.36-47,843.16-17,110.80

Finding the Fourth Proportional to 31,905.36, 47,843.16 and 17,110.80

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Solution

The fourth proportional to 31,905.36, 47,843.16 and 17,110.80 is: 25,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,905.36 : 47,843.16 = 17,110.80 : x
  2. Step 2: Convert to fraction form
    31,905.36/47,843.16 = 17,110.80/x
  3. Step 3: Cross multiply
    31,905.36x = 47,843.16 × 17,110.80
  4. Step 4: Simplify right side
    31,905.36x = 818,634,742.13
  5. Step 5: Solve for x
    x = 818,634,742.13/31,905.36
  6. Step 6: Final answer
    x = 25,658.22

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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.