Home / 45,220.74-67,832.73-18,889.26

Finding the Fourth Proportional to 45,220.74, 67,832.73 and 18,889.26

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Solution

The fourth proportional to 45,220.74, 67,832.73 and 18,889.26 is: 28,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,220.74 : 67,832.73 = 18,889.26 : x
  2. Step 2: Convert to fraction form
    45,220.74/67,832.73 = 18,889.26/x
  3. Step 3: Cross multiply
    45,220.74x = 67,832.73 × 18,889.26
  4. Step 4: Simplify right side
    45,220.74x = 1,281,310,073.48
  5. Step 5: Solve for x
    x = 1,281,310,073.48/45,220.74
  6. Step 6: Final answer
    x = 28,334.57

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Similar ratio
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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.