Home / 31,811.40-43,904.52-22,888.44

Finding the Fourth Proportional to 31,811.40, 43,904.52 and 22,888.44

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Solution

The fourth proportional to 31,811.40, 43,904.52 and 22,888.44 is: 31,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,811.40 : 43,904.52 = 22,888.44 : x
  2. Step 2: Convert to fraction form
    31,811.40/43,904.52 = 22,888.44/x
  3. Step 3: Cross multiply
    31,811.40x = 43,904.52 × 22,888.44
  4. Step 4: Simplify right side
    31,811.40x = 1,004,905,971.75
  5. Step 5: Solve for x
    x = 1,004,905,971.75/31,811.40
  6. Step 6: Final answer
    x = 31,589.49

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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.