Home / 33,148.32-49,731.12-12,372

Finding the Fourth Proportional to 33,148.32, 49,731.12 and 12,372

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Solution

The fourth proportional to 33,148.32, 49,731.12 and 12,372 is: 18,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,148.32 : 49,731.12 = 12,372 : x
  2. Step 2: Convert to fraction form
    33,148.32/49,731.12 = 12,372/x
  3. Step 3: Cross multiply
    33,148.32x = 49,731.12 × 12,372
  4. Step 4: Simplify right side
    33,148.32x = 615,273,416.64
  5. Step 5: Solve for x
    x = 615,273,416.64/33,148.32
  6. Step 6: Final answer
    x = 18,561.22

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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.