Home / 37,721.30-56,587.82-11,419.79

Finding the Fourth Proportional to 37,721.30, 56,587.82 and 11,419.79

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Solution

The fourth proportional to 37,721.30, 56,587.82 and 11,419.79 is: 17,131.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.30 : 56,587.82 = 11,419.79 : x
  2. Step 2: Convert to fraction form
    37,721.30/56,587.82 = 11,419.79/x
  3. Step 3: Cross multiply
    37,721.30x = 56,587.82 × 11,419.79
  4. Step 4: Simplify right side
    37,721.30x = 646,220,680.92
  5. Step 5: Solve for x
    x = 646,220,680.92/37,721.30
  6. Step 6: Final answer
    x = 17,131.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.