Home / 37,449.72-51,664.56-21,530.79

Finding the Fourth Proportional to 37,449.72, 51,664.56 and 21,530.79

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Solution

The fourth proportional to 37,449.72, 51,664.56 and 21,530.79 is: 29,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,449.72 : 51,664.56 = 21,530.79 : x
  2. Step 2: Convert to fraction form
    37,449.72/51,664.56 = 21,530.79/x
  3. Step 3: Cross multiply
    37,449.72x = 51,664.56 × 21,530.79
  4. Step 4: Simplify right side
    37,449.72x = 1,112,378,791.80
  5. Step 5: Solve for x
    x = 1,112,378,791.80/37,449.72
  6. Step 6: Final answer
    x = 29,703.26

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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.