Home / 31,503.22-43,434.09-25,817.02

Finding the Fourth Proportional to 31,503.22, 43,434.09 and 25,817.02

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Solution

The fourth proportional to 31,503.22, 43,434.09 and 25,817.02 is: 35,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.22 : 43,434.09 = 25,817.02 : x
  2. Step 2: Convert to fraction form
    31,503.22/43,434.09 = 25,817.02/x
  3. Step 3: Cross multiply
    31,503.22x = 43,434.09 × 25,817.02
  4. Step 4: Simplify right side
    31,503.22x = 1,121,338,770.21
  5. Step 5: Solve for x
    x = 1,121,338,770.21/31,503.22
  6. Step 6: Final answer
    x = 35,594.42

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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.