Home / 47,930.08-71,904.84-16,787.20

Finding the Fourth Proportional to 47,930.08, 71,904.84 and 16,787.20

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Solution

The fourth proportional to 47,930.08, 71,904.84 and 16,787.20 is: 25,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,930.08 : 71,904.84 = 16,787.20 : x
  2. Step 2: Convert to fraction form
    47,930.08/71,904.84 = 16,787.20/x
  3. Step 3: Cross multiply
    47,930.08x = 71,904.84 × 16,787.20
  4. Step 4: Simplify right side
    47,930.08x = 1,207,080,930.05
  5. Step 5: Solve for x
    x = 1,207,080,930.05/47,930.08
  6. Step 6: Final answer
    x = 25,184.20

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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.