Home / 36,870.36-55,310.62-11,902.12

Finding the Fourth Proportional to 36,870.36, 55,310.62 and 11,902.12

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Solution

The fourth proportional to 36,870.36, 55,310.62 and 11,902.12 is: 17,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,870.36 : 55,310.62 = 11,902.12 : x
  2. Step 2: Convert to fraction form
    36,870.36/55,310.62 = 11,902.12/x
  3. Step 3: Cross multiply
    36,870.36x = 55,310.62 × 11,902.12
  4. Step 4: Simplify right side
    36,870.36x = 658,313,636.51
  5. Step 5: Solve for x
    x = 658,313,636.51/36,870.36
  6. Step 6: Final answer
    x = 17,854.82

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1.5x scale

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.