Home / 36,686.25-55,037.29-11,385.28

Finding the Fourth Proportional to 36,686.25, 55,037.29 and 11,385.28

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Solution

The fourth proportional to 36,686.25, 55,037.29 and 11,385.28 is: 17,080.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.25 : 55,037.29 = 11,385.28 : x
  2. Step 2: Convert to fraction form
    36,686.25/55,037.29 = 11,385.28/x
  3. Step 3: Cross multiply
    36,686.25x = 55,037.29 × 11,385.28
  4. Step 4: Simplify right side
    36,686.25x = 626,614,957.09
  5. Step 5: Solve for x
    x = 626,614,957.09/36,686.25
  6. Step 6: Final answer
    x = 17,080.38

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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.