Home / 43,305.22-64,933.02-13,311.66

Finding the Fourth Proportional to 43,305.22, 64,933.02 and 13,311.66

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Solution

The fourth proportional to 43,305.22, 64,933.02 and 13,311.66 is: 19,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,305.22 : 64,933.02 = 13,311.66 : x
  2. Step 2: Convert to fraction form
    43,305.22/64,933.02 = 13,311.66/x
  3. Step 3: Cross multiply
    43,305.22x = 64,933.02 × 13,311.66
  4. Step 4: Simplify right side
    43,305.22x = 864,366,285.01
  5. Step 5: Solve for x
    x = 864,366,285.01/43,305.22
  6. Step 6: Final answer
    x = 19,959.86

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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.