Home / 43,233.12-64,857.06-13,650.30

Finding the Fourth Proportional to 43,233.12, 64,857.06 and 13,650.30

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Solution

The fourth proportional to 43,233.12, 64,857.06 and 13,650.30 is: 20,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.12 : 64,857.06 = 13,650.30 : x
  2. Step 2: Convert to fraction form
    43,233.12/64,857.06 = 13,650.30/x
  3. Step 3: Cross multiply
    43,233.12x = 64,857.06 × 13,650.30
  4. Step 4: Simplify right side
    43,233.12x = 885,318,326.12
  5. Step 5: Solve for x
    x = 885,318,326.12/43,233.12
  6. Step 6: Final answer
    x = 20,477.78

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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.