Home / 40,318.41-60,509.61-21,612.27

Finding the Fourth Proportional to 40,318.41, 60,509.61 and 21,612.27

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Solution

The fourth proportional to 40,318.41, 60,509.61 and 21,612.27 is: 32,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,318.41 : 60,509.61 = 21,612.27 : x
  2. Step 2: Convert to fraction form
    40,318.41/60,509.61 = 21,612.27/x
  3. Step 3: Cross multiply
    40,318.41x = 60,509.61 × 21,612.27
  4. Step 4: Simplify right side
    40,318.41x = 1,307,750,028.91
  5. Step 5: Solve for x
    x = 1,307,750,028.91/40,318.41
  6. Step 6: Final answer
    x = 32,435.56

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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.