Home / 36,686.16-55,026.55-11,719.50

Finding the Fourth Proportional to 36,686.16, 55,026.55 and 11,719.50

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Solution

The fourth proportional to 36,686.16, 55,026.55 and 11,719.50 is: 17,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.16 : 55,026.55 = 11,719.50 : x
  2. Step 2: Convert to fraction form
    36,686.16/55,026.55 = 11,719.50/x
  3. Step 3: Cross multiply
    36,686.16x = 55,026.55 × 11,719.50
  4. Step 4: Simplify right side
    36,686.16x = 644,883,594.13
  5. Step 5: Solve for x
    x = 644,883,594.13/36,686.16
  6. Step 6: Final answer
    x = 17,578.39

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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.