Home / 37,050.73-51,129.87-21,135.15

Finding the Fourth Proportional to 37,050.73, 51,129.87 and 21,135.15

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Solution

The fourth proportional to 37,050.73, 51,129.87 and 21,135.15 is: 29,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,050.73 : 51,129.87 = 21,135.15 : x
  2. Step 2: Convert to fraction form
    37,050.73/51,129.87 = 21,135.15/x
  3. Step 3: Cross multiply
    37,050.73x = 51,129.87 × 21,135.15
  4. Step 4: Simplify right side
    37,050.73x = 1,080,637,216.28
  5. Step 5: Solve for x
    x = 1,080,637,216.28/37,050.73
  6. Step 6: Final answer
    x = 29,166.42

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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.