Home / 33,689.81-50,534.51-8,729.80

Finding the Fourth Proportional to 33,689.81, 50,534.51 and 8,729.80

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Solution

The fourth proportional to 33,689.81, 50,534.51 and 8,729.80 is: 13,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689.81 : 50,534.51 = 8,729.80 : x
  2. Step 2: Convert to fraction form
    33,689.81/50,534.51 = 8,729.80/x
  3. Step 3: Cross multiply
    33,689.81x = 50,534.51 × 8,729.80
  4. Step 4: Simplify right side
    33,689.81x = 441,155,995.41
  5. Step 5: Solve for x
    x = 441,155,995.41/33,689.81
  6. Step 6: Final answer
    x = 13,094.64

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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.