Home / 32,610.98-45,040.11-21,982.34

Finding the Fourth Proportional to 32,610.98, 45,040.11 and 21,982.34

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Solution

The fourth proportional to 32,610.98, 45,040.11 and 21,982.34 is: 30,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,610.98 : 45,040.11 = 21,982.34 : x
  2. Step 2: Convert to fraction form
    32,610.98/45,040.11 = 21,982.34/x
  3. Step 3: Cross multiply
    32,610.98x = 45,040.11 × 21,982.34
  4. Step 4: Simplify right side
    32,610.98x = 990,087,011.66
  5. Step 5: Solve for x
    x = 990,087,011.66/32,610.98
  6. Step 6: Final answer
    x = 30,360.54

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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.