Home / 51,710.92-71,359.18-31,601.46

Finding the Fourth Proportional to 51,710.92, 71,359.18 and 31,601.46

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Solution

The fourth proportional to 51,710.92, 71,359.18 and 31,601.46 is: 43,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,710.92 : 71,359.18 = 31,601.46 : x
  2. Step 2: Convert to fraction form
    51,710.92/71,359.18 = 31,601.46/x
  3. Step 3: Cross multiply
    51,710.92x = 71,359.18 × 31,601.46
  4. Step 4: Simplify right side
    51,710.92x = 2,255,054,272.40
  5. Step 5: Solve for x
    x = 2,255,054,272.40/51,710.92
  6. Step 6: Final answer
    x = 43,608.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.