Home / 37,608-56,415.75-13,921.88

Finding the Fourth Proportional to 37,608, 56,415.75 and 13,921.88

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Solution

The fourth proportional to 37,608, 56,415.75 and 13,921.88 is: 20,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,608 : 56,415.75 = 13,921.88 : x
  2. Step 2: Convert to fraction form
    37,608/56,415.75 = 13,921.88/x
  3. Step 3: Cross multiply
    37,608x = 56,415.75 × 13,921.88
  4. Step 4: Simplify right side
    37,608x = 785,413,232.00
  5. Step 5: Solve for x
    x = 785,413,232.00/37,608
  6. Step 6: Final answer
    x = 20,884.21

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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.