Home / 31,445.13-43,394.40-17,104.96

Finding the Fourth Proportional to 31,445.13, 43,394.40 and 17,104.96

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Solution

The fourth proportional to 31,445.13, 43,394.40 and 17,104.96 is: 23,604.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.13 : 43,394.40 = 17,104.96 : x
  2. Step 2: Convert to fraction form
    31,445.13/43,394.40 = 17,104.96/x
  3. Step 3: Cross multiply
    31,445.13x = 43,394.40 × 17,104.96
  4. Step 4: Simplify right side
    31,445.13x = 742,259,476.22
  5. Step 5: Solve for x
    x = 742,259,476.22/31,445.13
  6. Step 6: Final answer
    x = 23,604.91

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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.