Home / 40,335.76-55,670.16-25,991.44

Finding the Fourth Proportional to 40,335.76, 55,670.16 and 25,991.44

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Solution

The fourth proportional to 40,335.76, 55,670.16 and 25,991.44 is: 35,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.76 : 55,670.16 = 25,991.44 : x
  2. Step 2: Convert to fraction form
    40,335.76/55,670.16 = 25,991.44/x
  3. Step 3: Cross multiply
    40,335.76x = 55,670.16 × 25,991.44
  4. Step 4: Simplify right side
    40,335.76x = 1,446,947,623.43
  5. Step 5: Solve for x
    x = 1,446,947,623.43/40,335.76
  6. Step 6: Final answer
    x = 35,872.58

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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.