Home / 31,720.57-43,775.73-17,573.41

Finding the Fourth Proportional to 31,720.57, 43,775.73 and 17,573.41

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Solution

The fourth proportional to 31,720.57, 43,775.73 and 17,573.41 is: 24,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.57 : 43,775.73 = 17,573.41 : x
  2. Step 2: Convert to fraction form
    31,720.57/43,775.73 = 17,573.41/x
  3. Step 3: Cross multiply
    31,720.57x = 43,775.73 × 17,573.41
  4. Step 4: Simplify right side
    31,720.57x = 769,288,851.34
  5. Step 5: Solve for x
    x = 769,288,851.34/31,720.57
  6. Step 6: Final answer
    x = 24,252.05

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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.