Home / 36,981.60-55,486.25-19,201.16

Finding the Fourth Proportional to 36,981.60, 55,486.25 and 19,201.16

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Solution

The fourth proportional to 36,981.60, 55,486.25 and 19,201.16 is: 28,808.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.60 : 55,486.25 = 19,201.16 : x
  2. Step 2: Convert to fraction form
    36,981.60/55,486.25 = 19,201.16/x
  3. Step 3: Cross multiply
    36,981.60x = 55,486.25 × 19,201.16
  4. Step 4: Simplify right side
    36,981.60x = 1,065,399,990.61
  5. Step 5: Solve for x
    x = 1,065,399,990.61/36,981.60
  6. Step 6: Final answer
    x = 28,808.92

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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.