Home / 36,870.18-55,311.54-11,907.19

Finding the Fourth Proportional to 36,870.18, 55,311.54 and 11,907.19

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Solution

The fourth proportional to 36,870.18, 55,311.54 and 11,907.19 is: 17,862.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.18 : 55,311.54 = 11,907.19 : x
  2. Step 2: Convert to fraction form
    36,870.18/55,311.54 = 11,907.19/x
  3. Step 3: Cross multiply
    36,870.18x = 55,311.54 × 11,907.19
  4. Step 4: Simplify right side
    36,870.18x = 658,605,015.97
  5. Step 5: Solve for x
    x = 658,605,015.97/36,870.18
  6. Step 6: Final answer
    x = 17,862.81

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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.