Home / 42,033.64-63,028.86-12,447.76

Finding the Fourth Proportional to 42,033.64, 63,028.86 and 12,447.76

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Solution

The fourth proportional to 42,033.64, 63,028.86 and 12,447.76 is: 18,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033.64 : 63,028.86 = 12,447.76 : x
  2. Step 2: Convert to fraction form
    42,033.64/63,028.86 = 12,447.76/x
  3. Step 3: Cross multiply
    42,033.64x = 63,028.86 × 12,447.76
  4. Step 4: Simplify right side
    42,033.64x = 784,568,122.35
  5. Step 5: Solve for x
    x = 784,568,122.35/42,033.64
  6. Step 6: Final answer
    x = 18,665.24

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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.