Home / 40,096.20-55,333.44-21,948.51

Finding the Fourth Proportional to 40,096.20, 55,333.44 and 21,948.51

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Solution

The fourth proportional to 40,096.20, 55,333.44 and 21,948.51 is: 30,289.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096.20 : 55,333.44 = 21,948.51 : x
  2. Step 2: Convert to fraction form
    40,096.20/55,333.44 = 21,948.51/x
  3. Step 3: Cross multiply
    40,096.20x = 55,333.44 × 21,948.51
  4. Step 4: Simplify right side
    40,096.20x = 1,214,486,561.17
  5. Step 5: Solve for x
    x = 1,214,486,561.17/40,096.20
  6. Step 6: Final answer
    x = 30,289.32

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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.