Home / 47,694.72-71,542.58-14,415.06

Finding the Fourth Proportional to 47,694.72, 71,542.58 and 14,415.06

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Solution

The fourth proportional to 47,694.72, 71,542.58 and 14,415.06 is: 21,622.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,694.72 : 71,542.58 = 14,415.06 : x
  2. Step 2: Convert to fraction form
    47,694.72/71,542.58 = 14,415.06/x
  3. Step 3: Cross multiply
    47,694.72x = 71,542.58 × 14,415.06
  4. Step 4: Simplify right side
    47,694.72x = 1,031,290,511.18
  5. Step 5: Solve for x
    x = 1,031,290,511.18/47,694.72
  6. Step 6: Final answer
    x = 21,622.74

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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.