Home / 36,130.30-49,857.78-19,996.72

Finding the Fourth Proportional to 36,130.30, 49,857.78 and 19,996.72

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Solution

The fourth proportional to 36,130.30, 49,857.78 and 19,996.72 is: 27,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.30 : 49,857.78 = 19,996.72 : x
  2. Step 2: Convert to fraction form
    36,130.30/49,857.78 = 19,996.72/x
  3. Step 3: Cross multiply
    36,130.30x = 49,857.78 × 19,996.72
  4. Step 4: Simplify right side
    36,130.30x = 996,992,066.48
  5. Step 5: Solve for x
    x = 996,992,066.48/36,130.30
  6. Step 6: Final answer
    x = 27,594.35

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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.