Home / 36,725.97-50,681.70-20,813.46

Finding the Fourth Proportional to 36,725.97, 50,681.70 and 20,813.46

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Solution

The fourth proportional to 36,725.97, 50,681.70 and 20,813.46 is: 28,722.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.97 : 50,681.70 = 20,813.46 : x
  2. Step 2: Convert to fraction form
    36,725.97/50,681.70 = 20,813.46/x
  3. Step 3: Cross multiply
    36,725.97x = 50,681.70 × 20,813.46
  4. Step 4: Simplify right side
    36,725.97x = 1,054,861,535.68
  5. Step 5: Solve for x
    x = 1,054,861,535.68/36,725.97
  6. Step 6: Final answer
    x = 28,722.50

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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.