Home / 43,203.24-64,811.52-13,618.44

Finding the Fourth Proportional to 43,203.24, 64,811.52 and 13,618.44

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Solution

The fourth proportional to 43,203.24, 64,811.52 and 13,618.44 is: 20,429.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.24 : 64,811.52 = 13,618.44 : x
  2. Step 2: Convert to fraction form
    43,203.24/64,811.52 = 13,618.44/x
  3. Step 3: Cross multiply
    43,203.24x = 64,811.52 × 13,618.44
  4. Step 4: Simplify right side
    43,203.24x = 882,631,796.43
  5. Step 5: Solve for x
    x = 882,631,796.43/43,203.24
  6. Step 6: Final answer
    x = 20,429.76

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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.