Home / 31,551.40-43,540.74-17,404.12

Finding the Fourth Proportional to 31,551.40, 43,540.74 and 17,404.12

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Solution

The fourth proportional to 31,551.40, 43,540.74 and 17,404.12 is: 24,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,551.40 : 43,540.74 = 17,404.12 : x
  2. Step 2: Convert to fraction form
    31,551.40/43,540.74 = 17,404.12/x
  3. Step 3: Cross multiply
    31,551.40x = 43,540.74 × 17,404.12
  4. Step 4: Simplify right side
    31,551.40x = 757,788,263.85
  5. Step 5: Solve for x
    x = 757,788,263.85/31,551.40
  6. Step 6: Final answer
    x = 24,017.58

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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.