Home / 40,140.64-60,224.93-17,956.36

Finding the Fourth Proportional to 40,140.64, 60,224.93 and 17,956.36

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Solution

The fourth proportional to 40,140.64, 60,224.93 and 17,956.36 is: 26,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.64 : 60,224.93 = 17,956.36 : x
  2. Step 2: Convert to fraction form
    40,140.64/60,224.93 = 17,956.36/x
  3. Step 3: Cross multiply
    40,140.64x = 60,224.93 × 17,956.36
  4. Step 4: Simplify right side
    40,140.64x = 1,081,420,133.15
  5. Step 5: Solve for x
    x = 1,081,420,133.15/40,140.64
  6. Step 6: Final answer
    x = 26,940.78

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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.