Home / 36,902.82-55,355.07-13,211.99

Finding the Fourth Proportional to 36,902.82, 55,355.07 and 13,211.99

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Solution

The fourth proportional to 36,902.82, 55,355.07 and 13,211.99 is: 19,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,902.82 : 55,355.07 = 13,211.99 : x
  2. Step 2: Convert to fraction form
    36,902.82/55,355.07 = 13,211.99/x
  3. Step 3: Cross multiply
    36,902.82x = 55,355.07 × 13,211.99
  4. Step 4: Simplify right side
    36,902.82x = 731,350,354.51
  5. Step 5: Solve for x
    x = 731,350,354.51/36,902.82
  6. Step 6: Final answer
    x = 19,818.28

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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.