Home / 45,433.80-68,133.24-20,472.84

Finding the Fourth Proportional to 45,433.80, 68,133.24 and 20,472.84

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Solution

The fourth proportional to 45,433.80, 68,133.24 and 20,472.84 is: 30,701.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.80 : 68,133.24 = 20,472.84 : x
  2. Step 2: Convert to fraction form
    45,433.80/68,133.24 = 20,472.84/x
  3. Step 3: Cross multiply
    45,433.80x = 68,133.24 × 20,472.84
  4. Step 4: Simplify right side
    45,433.80x = 1,394,880,921.20
  5. Step 5: Solve for x
    x = 1,394,880,921.20/45,433.80
  6. Step 6: Final answer
    x = 30,701.39

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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.