Home / 36,999.30-55,542.15-21,216.90

Finding the Fourth Proportional to 36,999.30, 55,542.15 and 21,216.90

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Solution

The fourth proportional to 36,999.30, 55,542.15 and 21,216.90 is: 31,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,999.30 : 55,542.15 = 21,216.90 : x
  2. Step 2: Convert to fraction form
    36,999.30/55,542.15 = 21,216.90/x
  3. Step 3: Cross multiply
    36,999.30x = 55,542.15 × 21,216.90
  4. Step 4: Simplify right side
    36,999.30x = 1,178,432,242.34
  5. Step 5: Solve for x
    x = 1,178,432,242.34/36,999.30
  6. Step 6: Final answer
    x = 31,850.12

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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.