Home / 36,640.98-50,565.70-20,725.12

Finding the Fourth Proportional to 36,640.98, 50,565.70 and 20,725.12

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Solution

The fourth proportional to 36,640.98, 50,565.70 and 20,725.12 is: 28,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.98 : 50,565.70 = 20,725.12 : x
  2. Step 2: Convert to fraction form
    36,640.98/50,565.70 = 20,725.12/x
  3. Step 3: Cross multiply
    36,640.98x = 50,565.70 × 20,725.12
  4. Step 4: Simplify right side
    36,640.98x = 1,047,980,200.38
  5. Step 5: Solve for x
    x = 1,047,980,200.38/36,640.98
  6. Step 6: Final answer
    x = 28,601.31

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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.