Home / 40,539.76-55,954.20-23,778.16

Finding the Fourth Proportional to 40,539.76, 55,954.20 and 23,778.16

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Solution

The fourth proportional to 40,539.76, 55,954.20 and 23,778.16 is: 32,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,539.76 : 55,954.20 = 23,778.16 : x
  2. Step 2: Convert to fraction form
    40,539.76/55,954.20 = 23,778.16/x
  3. Step 3: Cross multiply
    40,539.76x = 55,954.20 × 23,778.16
  4. Step 4: Simplify right side
    40,539.76x = 1,330,487,920.27
  5. Step 5: Solve for x
    x = 1,330,487,920.27/40,539.76
  6. Step 6: Final answer
    x = 32,819.33

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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.