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Finding the Fourth Proportional to 40,777, 56,272.36 and 23,792.92

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Solution

The fourth proportional to 40,777, 56,272.36 and 23,792.92 is: 32,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,777 : 56,272.36 = 23,792.92 : x
  2. Step 2: Convert to fraction form
    40,777/56,272.36 = 23,792.92/x
  3. Step 3: Cross multiply
    40,777x = 56,272.36 × 23,792.92
  4. Step 4: Simplify right side
    40,777x = 1,338,883,759.69
  5. Step 5: Solve for x
    x = 1,338,883,759.69/40,777
  6. Step 6: Final answer
    x = 32,834.29

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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.