Home / 45,306.25-67,945.50-21,601.29

Finding the Fourth Proportional to 45,306.25, 67,945.50 and 21,601.29

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Solution

The fourth proportional to 45,306.25, 67,945.50 and 21,601.29 is: 32,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306.25 : 67,945.50 = 21,601.29 : x
  2. Step 2: Convert to fraction form
    45,306.25/67,945.50 = 21,601.29/x
  3. Step 3: Cross multiply
    45,306.25x = 67,945.50 × 21,601.29
  4. Step 4: Simplify right side
    45,306.25x = 1,467,710,704.49
  5. Step 5: Solve for x
    x = 1,467,710,704.49/45,306.25
  6. Step 6: Final answer
    x = 32,395.33

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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.