Home / 45,306.75-67,946.25-21,601.80

Finding the Fourth Proportional to 45,306.75, 67,946.25 and 21,601.80

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Solution

The fourth proportional to 45,306.75, 67,946.25 and 21,601.80 is: 32,396.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,306.75 : 67,946.25 = 21,601.80 : x
  2. Step 2: Convert to fraction form
    45,306.75/67,946.25 = 21,601.80/x
  3. Step 3: Cross multiply
    45,306.75x = 67,946.25 × 21,601.80
  4. Step 4: Simplify right side
    45,306.75x = 1,467,760,963.52
  5. Step 5: Solve for x
    x = 1,467,760,963.52/45,306.75
  6. Step 6: Final answer
    x = 32,396.08

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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.