Home / 40,233.60-60,311.52-13,918.56

Finding the Fourth Proportional to 40,233.60, 60,311.52 and 13,918.56

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Solution

The fourth proportional to 40,233.60, 60,311.52 and 13,918.56 is: 20,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.60 : 60,311.52 = 13,918.56 : x
  2. Step 2: Convert to fraction form
    40,233.60/60,311.52 = 13,918.56/x
  3. Step 3: Cross multiply
    40,233.60x = 60,311.52 × 13,918.56
  4. Step 4: Simplify right side
    40,233.60x = 839,449,509.81
  5. Step 5: Solve for x
    x = 839,449,509.81/40,233.60
  6. Step 6: Final answer
    x = 20,864.39

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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.