Home / 40,984.20-61,400.70-23,401.80

Finding the Fourth Proportional to 40,984.20, 61,400.70 and 23,401.80

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Solution

The fourth proportional to 40,984.20, 61,400.70 and 23,401.80 is: 35,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,984.20 : 61,400.70 = 23,401.80 : x
  2. Step 2: Convert to fraction form
    40,984.20/61,400.70 = 23,401.80/x
  3. Step 3: Cross multiply
    40,984.20x = 61,400.70 × 23,401.80
  4. Step 4: Simplify right side
    40,984.20x = 1,436,886,901.26
  5. Step 5: Solve for x
    x = 1,436,886,901.26/40,984.20
  6. Step 6: Final answer
    x = 35,059.53

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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.