Home / 31,551.18-43,540.63-17,404.03

Finding the Fourth Proportional to 31,551.18, 43,540.63 and 17,404.03

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Solution

The fourth proportional to 31,551.18, 43,540.63 and 17,404.03 is: 24,017.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.18 : 43,540.63 = 17,404.03 : x
  2. Step 2: Convert to fraction form
    31,551.18/43,540.63 = 17,404.03/x
  3. Step 3: Cross multiply
    31,551.18x = 43,540.63 × 17,404.03
  4. Step 4: Simplify right side
    31,551.18x = 757,782,430.74
  5. Step 5: Solve for x
    x = 757,782,430.74/31,551.18
  6. Step 6: Final answer
    x = 24,017.56

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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.