Home / 47,721.81-71,566.82-19,251.41

Finding the Fourth Proportional to 47,721.81, 71,566.82 and 19,251.41

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Solution

The fourth proportional to 47,721.81, 71,566.82 and 19,251.41 is: 28,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,721.81 : 71,566.82 = 19,251.41 : x
  2. Step 2: Convert to fraction form
    47,721.81/71,566.82 = 19,251.41/x
  3. Step 3: Cross multiply
    47,721.81x = 71,566.82 × 19,251.41
  4. Step 4: Simplify right side
    47,721.81x = 1,377,762,194.22
  5. Step 5: Solve for x
    x = 1,377,762,194.22/47,721.81
  6. Step 6: Final answer
    x = 28,870.70

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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.