Home / 36,686.82-55,038.12-11,385.81

Finding the Fourth Proportional to 36,686.82, 55,038.12 and 11,385.81

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Solution

The fourth proportional to 36,686.82, 55,038.12 and 11,385.81 is: 17,081.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.82 : 55,038.12 = 11,385.81 : x
  2. Step 2: Convert to fraction form
    36,686.82/55,038.12 = 11,385.81/x
  3. Step 3: Cross multiply
    36,686.82x = 55,038.12 × 11,385.81
  4. Step 4: Simplify right side
    36,686.82x = 626,653,577.08
  5. Step 5: Solve for x
    x = 626,653,577.08/36,686.82
  6. Step 6: Final answer
    x = 17,081.16

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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.