Home / 36,640.25-50,562.65-20,507.78

Finding the Fourth Proportional to 36,640.25, 50,562.65 and 20,507.78

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Solution

The fourth proportional to 36,640.25, 50,562.65 and 20,507.78 is: 28,300.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.25 : 50,562.65 = 20,507.78 : x
  2. Step 2: Convert to fraction form
    36,640.25/50,562.65 = 20,507.78/x
  3. Step 3: Cross multiply
    36,640.25x = 50,562.65 × 20,507.78
  4. Step 4: Simplify right side
    36,640.25x = 1,036,927,500.87
  5. Step 5: Solve for x
    x = 1,036,927,500.87/36,640.25
  6. Step 6: Final answer
    x = 28,300.23

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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.