Home / 31,986.91-44,130.04-18,550.63

Finding the Fourth Proportional to 31,986.91, 44,130.04 and 18,550.63

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Solution

The fourth proportional to 31,986.91, 44,130.04 and 18,550.63 is: 25,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.91 : 44,130.04 = 18,550.63 : x
  2. Step 2: Convert to fraction form
    31,986.91/44,130.04 = 18,550.63/x
  3. Step 3: Cross multiply
    31,986.91x = 44,130.04 × 18,550.63
  4. Step 4: Simplify right side
    31,986.91x = 818,640,043.93
  5. Step 5: Solve for x
    x = 818,640,043.93/31,986.91
  6. Step 6: Final answer
    x = 25,592.97

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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.