Home / 40,786.78-56,285.88-23,802.70

Finding the Fourth Proportional to 40,786.78, 56,285.88 and 23,802.70

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Solution

The fourth proportional to 40,786.78, 56,285.88 and 23,802.70 is: 32,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,786.78 : 56,285.88 = 23,802.70 : x
  2. Step 2: Convert to fraction form
    40,786.78/56,285.88 = 23,802.70/x
  3. Step 3: Cross multiply
    40,786.78x = 56,285.88 × 23,802.70
  4. Step 4: Simplify right side
    40,786.78x = 1,339,755,915.88
  5. Step 5: Solve for x
    x = 1,339,755,915.88/40,786.78
  6. Step 6: Final answer
    x = 32,847.80

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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.