Home / 31,520.66-43,498.49-17,373.47

Finding the Fourth Proportional to 31,520.66, 43,498.49 and 17,373.47

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Solution

The fourth proportional to 31,520.66, 43,498.49 and 17,373.47 is: 23,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.66 : 43,498.49 = 17,373.47 : x
  2. Step 2: Convert to fraction form
    31,520.66/43,498.49 = 17,373.47/x
  3. Step 3: Cross multiply
    31,520.66x = 43,498.49 × 17,373.47
  4. Step 4: Simplify right side
    31,520.66x = 755,719,406.70
  5. Step 5: Solve for x
    x = 755,719,406.70/31,520.66
  6. Step 6: Final answer
    x = 23,975.37

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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.