Home / 40,109.76-55,227.82-35,625.72

Finding the Fourth Proportional to 40,109.76, 55,227.82 and 35,625.72

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Solution

The fourth proportional to 40,109.76, 55,227.82 and 35,625.72 is: 49,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.76 : 55,227.82 = 35,625.72 : x
  2. Step 2: Convert to fraction form
    40,109.76/55,227.82 = 35,625.72/x
  3. Step 3: Cross multiply
    40,109.76x = 55,227.82 × 35,625.72
  4. Step 4: Simplify right side
    40,109.76x = 1,967,530,851.53
  5. Step 5: Solve for x
    x = 1,967,530,851.53/40,109.76
  6. Step 6: Final answer
    x = 49,053.67

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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.