Home / 43,217.12-64,832.98-13,634.30

Finding the Fourth Proportional to 43,217.12, 64,832.98 and 13,634.30

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Solution

The fourth proportional to 43,217.12, 64,832.98 and 13,634.30 is: 20,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,217.12 : 64,832.98 = 13,634.30 : x
  2. Step 2: Convert to fraction form
    43,217.12/64,832.98 = 13,634.30/x
  3. Step 3: Cross multiply
    43,217.12x = 64,832.98 × 13,634.30
  4. Step 4: Simplify right side
    43,217.12x = 883,952,299.21
  5. Step 5: Solve for x
    x = 883,952,299.21/43,217.12
  6. Step 6: Final answer
    x = 20,453.75

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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.