Home / 45,093.74-67,656.71-20,131.57

Finding the Fourth Proportional to 45,093.74, 67,656.71 and 20,131.57

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Solution

The fourth proportional to 45,093.74, 67,656.71 and 20,131.57 is: 30,204.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,093.74 : 67,656.71 = 20,131.57 : x
  2. Step 2: Convert to fraction form
    45,093.74/67,656.71 = 20,131.57/x
  3. Step 3: Cross multiply
    45,093.74x = 67,656.71 × 20,131.57
  4. Step 4: Simplify right side
    45,093.74x = 1,362,035,455.05
  5. Step 5: Solve for x
    x = 1,362,035,455.05/45,093.74
  6. Step 6: Final answer
    x = 30,204.54

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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.