Home / 40,847.20-61,256.40-14,552.80

Finding the Fourth Proportional to 40,847.20, 61,256.40 and 14,552.80

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Solution

The fourth proportional to 40,847.20, 61,256.40 and 14,552.80 is: 21,824.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,847.20 : 61,256.40 = 14,552.80 : x
  2. Step 2: Convert to fraction form
    40,847.20/61,256.40 = 14,552.80/x
  3. Step 3: Cross multiply
    40,847.20x = 61,256.40 × 14,552.80
  4. Step 4: Simplify right side
    40,847.20x = 891,452,137.92
  5. Step 5: Solve for x
    x = 891,452,137.92/40,847.20
  6. Step 6: Final answer
    x = 21,824.07

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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.