Home / 31,001.22-42,785.03-17,571.03

Finding the Fourth Proportional to 31,001.22, 42,785.03 and 17,571.03

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Solution

The fourth proportional to 31,001.22, 42,785.03 and 17,571.03 is: 24,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.22 : 42,785.03 = 17,571.03 : x
  2. Step 2: Convert to fraction form
    31,001.22/42,785.03 = 17,571.03/x
  3. Step 3: Cross multiply
    31,001.22x = 42,785.03 × 17,571.03
  4. Step 4: Simplify right side
    31,001.22x = 751,776,957.83
  5. Step 5: Solve for x
    x = 751,776,957.83/31,001.22
  6. Step 6: Final answer
    x = 24,249.92

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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.