Home / 45,506.55-68,214.47-21,770.31

Finding the Fourth Proportional to 45,506.55, 68,214.47 and 21,770.31

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Solution

The fourth proportional to 45,506.55, 68,214.47 and 21,770.31 is: 32,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506.55 : 68,214.47 = 21,770.31 : x
  2. Step 2: Convert to fraction form
    45,506.55/68,214.47 = 21,770.31/x
  3. Step 3: Cross multiply
    45,506.55x = 68,214.47 × 21,770.31
  4. Step 4: Simplify right side
    45,506.55x = 1,485,050,049.53
  5. Step 5: Solve for x
    x = 1,485,050,049.53/45,506.55
  6. Step 6: Final answer
    x = 32,633.76

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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.