Home / 47,348.76-71,039.61-21,072.36

Finding the Fourth Proportional to 47,348.76, 71,039.61 and 21,072.36

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Solution

The fourth proportional to 47,348.76, 71,039.61 and 21,072.36 is: 31,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,348.76 : 71,039.61 = 21,072.36 : x
  2. Step 2: Convert to fraction form
    47,348.76/71,039.61 = 21,072.36/x
  3. Step 3: Cross multiply
    47,348.76x = 71,039.61 × 21,072.36
  4. Step 4: Simplify right side
    47,348.76x = 1,496,972,236.18
  5. Step 5: Solve for x
    x = 1,496,972,236.18/47,348.76
  6. Step 6: Final answer
    x = 31,615.87

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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.