Home / 36,755.40-55,033.74-19,188.12

Finding the Fourth Proportional to 36,755.40, 55,033.74 and 19,188.12

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Solution

The fourth proportional to 36,755.40, 55,033.74 and 19,188.12 is: 28,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.40 : 55,033.74 = 19,188.12 : x
  2. Step 2: Convert to fraction form
    36,755.40/55,033.74 = 19,188.12/x
  3. Step 3: Cross multiply
    36,755.40x = 55,033.74 × 19,188.12
  4. Step 4: Simplify right side
    36,755.40x = 1,055,994,007.17
  5. Step 5: Solve for x
    x = 1,055,994,007.17/36,755.40
  6. Step 6: Final answer
    x = 28,730.31

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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.