Home / 37,054.15-51,129.91-21,137.65

Finding the Fourth Proportional to 37,054.15, 51,129.91 and 21,137.65

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Solution

The fourth proportional to 37,054.15, 51,129.91 and 21,137.65 is: 29,167.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,054.15 : 51,129.91 = 21,137.65 : x
  2. Step 2: Convert to fraction form
    37,054.15/51,129.91 = 21,137.65/x
  3. Step 3: Cross multiply
    37,054.15x = 51,129.91 × 21,137.65
  4. Step 4: Simplify right side
    37,054.15x = 1,080,766,142.11
  5. Step 5: Solve for x
    x = 1,080,766,142.11/37,054.15
  6. Step 6: Final answer
    x = 29,167.21

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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.