Home / 31,048.22-42,850.34-17,623.68

Finding the Fourth Proportional to 31,048.22, 42,850.34 and 17,623.68

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Solution

The fourth proportional to 31,048.22, 42,850.34 and 17,623.68 is: 24,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,048.22 : 42,850.34 = 17,623.68 : x
  2. Step 2: Convert to fraction form
    31,048.22/42,850.34 = 17,623.68/x
  3. Step 3: Cross multiply
    31,048.22x = 42,850.34 × 17,623.68
  4. Step 4: Simplify right side
    31,048.22x = 755,180,591.93
  5. Step 5: Solve for x
    x = 755,180,591.93/31,048.22
  6. Step 6: Final answer
    x = 24,322.83

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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.