Home / 36,669.50-55,012.25-20,881.99

Finding the Fourth Proportional to 36,669.50, 55,012.25 and 20,881.99

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Solution

The fourth proportional to 36,669.50, 55,012.25 and 20,881.99 is: 31,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.50 : 55,012.25 = 20,881.99 : x
  2. Step 2: Convert to fraction form
    36,669.50/55,012.25 = 20,881.99/x
  3. Step 3: Cross multiply
    36,669.50x = 55,012.25 × 20,881.99
  4. Step 4: Simplify right side
    36,669.50x = 1,148,765,254.38
  5. Step 5: Solve for x
    x = 1,148,765,254.38/36,669.50
  6. Step 6: Final answer
    x = 31,327.54

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1.5x scale

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.