Home / 51,762.26-71,415.33-31,901.78

Finding the Fourth Proportional to 51,762.26, 71,415.33 and 31,901.78

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Solution

The fourth proportional to 51,762.26, 71,415.33 and 31,901.78 is: 44,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,762.26 : 71,415.33 = 31,901.78 : x
  2. Step 2: Convert to fraction form
    51,762.26/71,415.33 = 31,901.78/x
  3. Step 3: Cross multiply
    51,762.26x = 71,415.33 × 31,901.78
  4. Step 4: Simplify right side
    51,762.26x = 2,278,276,146.29
  5. Step 5: Solve for x
    x = 2,278,276,146.29/51,762.26
  6. Step 6: Final answer
    x = 44,014.23

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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.