Home / 36,126.16-49,851.76-20,207.88

Finding the Fourth Proportional to 36,126.16, 49,851.76 and 20,207.88

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Solution

The fourth proportional to 36,126.16, 49,851.76 and 20,207.88 is: 27,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,126.16 : 49,851.76 = 20,207.88 : x
  2. Step 2: Convert to fraction form
    36,126.16/49,851.76 = 20,207.88/x
  3. Step 3: Cross multiply
    36,126.16x = 49,851.76 × 20,207.88
  4. Step 4: Simplify right side
    36,126.16x = 1,007,398,383.87
  5. Step 5: Solve for x
    x = 1,007,398,383.87/36,126.16
  6. Step 6: Final answer
    x = 27,885.57

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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.