Home / 31,341.20-43,251.20-17,193.76

Finding the Fourth Proportional to 31,341.20, 43,251.20 and 17,193.76

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Solution

The fourth proportional to 31,341.20, 43,251.20 and 17,193.76 is: 23,727.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,341.20 : 43,251.20 = 17,193.76 : x
  2. Step 2: Convert to fraction form
    31,341.20/43,251.20 = 17,193.76/x
  3. Step 3: Cross multiply
    31,341.20x = 43,251.20 × 17,193.76
  4. Step 4: Simplify right side
    31,341.20x = 743,650,752.51
  5. Step 5: Solve for x
    x = 743,650,752.51/31,341.20
  6. Step 6: Final answer
    x = 23,727.58

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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.