Home / 37,299.12-51,456.60-21,379.92

Finding the Fourth Proportional to 37,299.12, 51,456.60 and 21,379.92

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Solution

The fourth proportional to 37,299.12, 51,456.60 and 21,379.92 is: 29,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299.12 : 51,456.60 = 21,379.92 : x
  2. Step 2: Convert to fraction form
    37,299.12/51,456.60 = 21,379.92/x
  3. Step 3: Cross multiply
    37,299.12x = 51,456.60 × 21,379.92
  4. Step 4: Simplify right side
    37,299.12x = 1,100,137,991.47
  5. Step 5: Solve for x
    x = 1,100,137,991.47/37,299.12
  6. Step 6: Final answer
    x = 29,495.01

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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.