Home / 37,498.36-51,747.30-20,731

Finding the Fourth Proportional to 37,498.36, 51,747.30 and 20,731

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Solution

The fourth proportional to 37,498.36, 51,747.30 and 20,731 is: 28,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,498.36 : 51,747.30 = 20,731 : x
  2. Step 2: Convert to fraction form
    37,498.36/51,747.30 = 20,731/x
  3. Step 3: Cross multiply
    37,498.36x = 51,747.30 × 20,731
  4. Step 4: Simplify right side
    37,498.36x = 1,072,773,276.30
  5. Step 5: Solve for x
    x = 1,072,773,276.30/37,498.36
  6. Step 6: Final answer
    x = 28,608.54

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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.