Home / 47,798.07-71,696.85-12,259.23

Finding the Fourth Proportional to 47,798.07, 71,696.85 and 12,259.23

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Solution

The fourth proportional to 47,798.07, 71,696.85 and 12,259.23 is: 18,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798.07 : 71,696.85 = 12,259.23 : x
  2. Step 2: Convert to fraction form
    47,798.07/71,696.85 = 12,259.23/x
  3. Step 3: Cross multiply
    47,798.07x = 71,696.85 × 12,259.23
  4. Step 4: Simplify right side
    47,798.07x = 878,948,174.43
  5. Step 5: Solve for x
    x = 878,948,174.43/47,798.07
  6. Step 6: Final answer
    x = 18,388.78

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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.