Home / 36,100.93-49,820.39-20,188.21

Finding the Fourth Proportional to 36,100.93, 49,820.39 and 20,188.21

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Solution

The fourth proportional to 36,100.93, 49,820.39 and 20,188.21 is: 27,860.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.93 : 49,820.39 = 20,188.21 : x
  2. Step 2: Convert to fraction form
    36,100.93/49,820.39 = 20,188.21/x
  3. Step 3: Cross multiply
    36,100.93x = 49,820.39 × 20,188.21
  4. Step 4: Simplify right side
    36,100.93x = 1,005,784,495.60
  5. Step 5: Solve for x
    x = 1,005,784,495.60/36,100.93
  6. Step 6: Final answer
    x = 27,860.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.