Home / 36,700.40-55,026.30-13,323.80

Finding the Fourth Proportional to 36,700.40, 55,026.30 and 13,323.80

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Solution

The fourth proportional to 36,700.40, 55,026.30 and 13,323.80 is: 19,976.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.40 : 55,026.30 = 13,323.80 : x
  2. Step 2: Convert to fraction form
    36,700.40/55,026.30 = 13,323.80/x
  3. Step 3: Cross multiply
    36,700.40x = 55,026.30 × 13,323.80
  4. Step 4: Simplify right side
    36,700.40x = 733,159,415.94
  5. Step 5: Solve for x
    x = 733,159,415.94/36,700.40
  6. Step 6: Final answer
    x = 19,976.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.