Home / 45,017.35-67,472.09-20,969.24

Finding the Fourth Proportional to 45,017.35, 67,472.09 and 20,969.24

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Solution

The fourth proportional to 45,017.35, 67,472.09 and 20,969.24 is: 31,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,017.35 : 67,472.09 = 20,969.24 : x
  2. Step 2: Convert to fraction form
    45,017.35/67,472.09 = 20,969.24/x
  3. Step 3: Cross multiply
    45,017.35x = 67,472.09 × 20,969.24
  4. Step 4: Simplify right side
    45,017.35x = 1,414,838,084.94
  5. Step 5: Solve for x
    x = 1,414,838,084.94/45,017.35
  6. Step 6: Final answer
    x = 31,428.73

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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.