Home / 31,861.17-43,969.52-17,521.59

Finding the Fourth Proportional to 31,861.17, 43,969.52 and 17,521.59

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Solution

The fourth proportional to 31,861.17, 43,969.52 and 17,521.59 is: 24,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.17 : 43,969.52 = 17,521.59 : x
  2. Step 2: Convert to fraction form
    31,861.17/43,969.52 = 17,521.59/x
  3. Step 3: Cross multiply
    31,861.17x = 43,969.52 × 17,521.59
  4. Step 4: Simplify right side
    31,861.17x = 770,415,901.94
  5. Step 5: Solve for x
    x = 770,415,901.94/31,861.17
  6. Step 6: Final answer
    x = 24,180.40

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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.