Home / 37,200.14-51,379.49-31,172.22

Finding the Fourth Proportional to 37,200.14, 51,379.49 and 31,172.22

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Solution

The fourth proportional to 37,200.14, 51,379.49 and 31,172.22 is: 43,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.14 : 51,379.49 = 31,172.22 : x
  2. Step 2: Convert to fraction form
    37,200.14/51,379.49 = 31,172.22/x
  3. Step 3: Cross multiply
    37,200.14x = 51,379.49 × 31,172.22
  4. Step 4: Simplify right side
    37,200.14x = 1,601,612,765.77
  5. Step 5: Solve for x
    x = 1,601,612,765.77/37,200.14
  6. Step 6: Final answer
    x = 43,053.94

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1.5x scale

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.