Home / 47,474.23-71,220.95-21,178.97

Finding the Fourth Proportional to 47,474.23, 71,220.95 and 21,178.97

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Solution

The fourth proportional to 47,474.23, 71,220.95 and 21,178.97 is: 31,772.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,474.23 : 71,220.95 = 21,178.97 : x
  2. Step 2: Convert to fraction form
    47,474.23/71,220.95 = 21,178.97/x
  3. Step 3: Cross multiply
    47,474.23x = 71,220.95 × 21,178.97
  4. Step 4: Simplify right side
    47,474.23x = 1,508,386,188.36
  5. Step 5: Solve for x
    x = 1,508,386,188.36/47,474.23
  6. Step 6: Final answer
    x = 31,772.74

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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.