Home / 47,509.30-71,243.90-14,234.09

Finding the Fourth Proportional to 47,509.30, 71,243.90 and 14,234.09

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Solution

The fourth proportional to 47,509.30, 71,243.90 and 14,234.09 is: 21,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,509.30 : 71,243.90 = 14,234.09 : x
  2. Step 2: Convert to fraction form
    47,509.30/71,243.90 = 14,234.09/x
  3. Step 3: Cross multiply
    47,509.30x = 71,243.90 × 14,234.09
  4. Step 4: Simplify right side
    47,509.30x = 1,014,092,013.38
  5. Step 5: Solve for x
    x = 1,014,092,013.38/47,509.30
  6. Step 6: Final answer
    x = 21,345.13

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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.