Home / 40,625.82-60,946.36-18,440.76

Finding the Fourth Proportional to 40,625.82, 60,946.36 and 18,440.76

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Solution

The fourth proportional to 40,625.82, 60,946.36 and 18,440.76 is: 27,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.82 : 60,946.36 = 18,440.76 : x
  2. Step 2: Convert to fraction form
    40,625.82/60,946.36 = 18,440.76/x
  3. Step 3: Cross multiply
    40,625.82x = 60,946.36 × 18,440.76
  4. Step 4: Simplify right side
    40,625.82x = 1,123,896,865.85
  5. Step 5: Solve for x
    x = 1,123,896,865.85/40,625.82
  6. Step 6: Final answer
    x = 27,664.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.