Home / 36,725.73-50,681.37-20,813.19

Finding the Fourth Proportional to 36,725.73, 50,681.37 and 20,813.19

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Solution

The fourth proportional to 36,725.73, 50,681.37 and 20,813.19 is: 28,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,725.73 : 50,681.37 = 20,813.19 : x
  2. Step 2: Convert to fraction form
    36,725.73/50,681.37 = 20,813.19/x
  3. Step 3: Cross multiply
    36,725.73x = 50,681.37 × 20,813.19
  4. Step 4: Simplify right side
    36,725.73x = 1,054,840,983.27
  5. Step 5: Solve for x
    x = 1,054,840,983.27/36,725.73
  6. Step 6: Final answer
    x = 28,722.12

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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.