Home / 36,513.75-50,389.36-20,382.58

Finding the Fourth Proportional to 36,513.75, 50,389.36 and 20,382.58

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Solution

The fourth proportional to 36,513.75, 50,389.36 and 20,382.58 is: 28,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.75 : 50,389.36 = 20,382.58 : x
  2. Step 2: Convert to fraction form
    36,513.75/50,389.36 = 20,382.58/x
  3. Step 3: Cross multiply
    36,513.75x = 50,389.36 × 20,382.58
  4. Step 4: Simplify right side
    36,513.75x = 1,027,064,984.42
  5. Step 5: Solve for x
    x = 1,027,064,984.42/36,513.75
  6. Step 6: Final answer
    x = 28,128.17

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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.