Home / 31,190.20-43,041.96-17,042.74

Finding the Fourth Proportional to 31,190.20, 43,041.96 and 17,042.74

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Solution

The fourth proportional to 31,190.20, 43,041.96 and 17,042.74 is: 23,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190.20 : 43,041.96 = 17,042.74 : x
  2. Step 2: Convert to fraction form
    31,190.20/43,041.96 = 17,042.74/x
  3. Step 3: Cross multiply
    31,190.20x = 43,041.96 × 17,042.74
  4. Step 4: Simplify right side
    31,190.20x = 733,552,933.37
  5. Step 5: Solve for x
    x = 733,552,933.37/31,190.20
  6. Step 6: Final answer
    x = 23,518.70

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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.