Home / 31,984.22-44,121.50-18,550.58

Finding the Fourth Proportional to 31,984.22, 44,121.50 and 18,550.58

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Solution

The fourth proportional to 31,984.22, 44,121.50 and 18,550.58 is: 25,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.22 : 44,121.50 = 18,550.58 : x
  2. Step 2: Convert to fraction form
    31,984.22/44,121.50 = 18,550.58/x
  3. Step 3: Cross multiply
    31,984.22x = 44,121.50 × 18,550.58
  4. Step 4: Simplify right side
    31,984.22x = 818,479,415.47
  5. Step 5: Solve for x
    x = 818,479,415.47/31,984.22
  6. Step 6: Final answer
    x = 25,590.10

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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.