Home / 31,403.52-43,340.94-17,976.96

Finding the Fourth Proportional to 31,403.52, 43,340.94 and 17,976.96

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Solution

The fourth proportional to 31,403.52, 43,340.94 and 17,976.96 is: 24,810.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.52 : 43,340.94 = 17,976.96 : x
  2. Step 2: Convert to fraction form
    31,403.52/43,340.94 = 17,976.96/x
  3. Step 3: Cross multiply
    31,403.52x = 43,340.94 × 17,976.96
  4. Step 4: Simplify right side
    31,403.52x = 779,138,344.74
  5. Step 5: Solve for x
    x = 779,138,344.74/31,403.52
  6. Step 6: Final answer
    x = 24,810.54

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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.