Home / 36,932.94-50,964.06-21,013.20

Finding the Fourth Proportional to 36,932.94, 50,964.06 and 21,013.20

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Solution

The fourth proportional to 36,932.94, 50,964.06 and 21,013.20 is: 28,996.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,932.94 : 50,964.06 = 21,013.20 : x
  2. Step 2: Convert to fraction form
    36,932.94/50,964.06 = 21,013.20/x
  3. Step 3: Cross multiply
    36,932.94x = 50,964.06 × 21,013.20
  4. Step 4: Simplify right side
    36,932.94x = 1,070,917,985.59
  5. Step 5: Solve for x
    x = 1,070,917,985.59/36,932.94
  6. Step 6: Final answer
    x = 28,996.28

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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.