Home / 43,562.96-65,352.12-20,215.76

Finding the Fourth Proportional to 43,562.96, 65,352.12 and 20,215.76

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Solution

The fourth proportional to 43,562.96, 65,352.12 and 20,215.76 is: 30,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,562.96 : 65,352.12 = 20,215.76 : x
  2. Step 2: Convert to fraction form
    43,562.96/65,352.12 = 20,215.76/x
  3. Step 3: Cross multiply
    43,562.96x = 65,352.12 × 20,215.76
  4. Step 4: Simplify right side
    43,562.96x = 1,321,142,773.41
  5. Step 5: Solve for x
    x = 1,321,142,773.41/43,562.96
  6. Step 6: Final answer
    x = 30,327.20

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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.