Home / 36,895.49-50,915.53-20,979.94

Finding the Fourth Proportional to 36,895.49, 50,915.53 and 20,979.94

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Solution

The fourth proportional to 36,895.49, 50,915.53 and 20,979.94 is: 28,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.49 : 50,915.53 = 20,979.94 : x
  2. Step 2: Convert to fraction form
    36,895.49/50,915.53 = 20,979.94/x
  3. Step 3: Cross multiply
    36,895.49x = 50,915.53 × 20,979.94
  4. Step 4: Simplify right side
    36,895.49x = 1,068,204,764.47
  5. Step 5: Solve for x
    x = 1,068,204,764.47/36,895.49
  6. Step 6: Final answer
    x = 28,952.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.