Home / 32,890-49,327.36-13,163.28

Finding the Fourth Proportional to 32,890, 49,327.36 and 13,163.28

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Solution

The fourth proportional to 32,890, 49,327.36 and 13,163.28 is: 19,741.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,890 : 49,327.36 = 13,163.28 : x
  2. Step 2: Convert to fraction form
    32,890/49,327.36 = 13,163.28/x
  3. Step 3: Cross multiply
    32,890x = 49,327.36 × 13,163.28
  4. Step 4: Simplify right side
    32,890x = 649,309,851.34
  5. Step 5: Solve for x
    x = 649,309,851.34/32,890
  6. Step 6: Final answer
    x = 19,741.86

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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.