Home / 36,618.30-50,531.31-20,701.80

Finding the Fourth Proportional to 36,618.30, 50,531.31 and 20,701.80

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Solution

The fourth proportional to 36,618.30, 50,531.31 and 20,701.80 is: 28,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,618.30 : 50,531.31 = 20,701.80 : x
  2. Step 2: Convert to fraction form
    36,618.30/50,531.31 = 20,701.80/x
  3. Step 3: Cross multiply
    36,618.30x = 50,531.31 × 20,701.80
  4. Step 4: Simplify right side
    36,618.30x = 1,046,089,073.36
  5. Step 5: Solve for x
    x = 1,046,089,073.36/36,618.30
  6. Step 6: Final answer
    x = 28,567.38

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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.