Home / 31,550.01-43,532.96-18,975.57

Finding the Fourth Proportional to 31,550.01, 43,532.96 and 18,975.57

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Solution

The fourth proportional to 31,550.01, 43,532.96 and 18,975.57 is: 26,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.01 : 43,532.96 = 18,975.57 : x
  2. Step 2: Convert to fraction form
    31,550.01/43,532.96 = 18,975.57/x
  3. Step 3: Cross multiply
    31,550.01x = 43,532.96 × 18,975.57
  4. Step 4: Simplify right side
    31,550.01x = 826,062,634.91
  5. Step 5: Solve for x
    x = 826,062,634.91/31,550.01
  6. Step 6: Final answer
    x = 26,182.64

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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.