Home / 34,662.41-47,846.39-20,515.22

Finding the Fourth Proportional to 34,662.41, 47,846.39 and 20,515.22

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Solution

The fourth proportional to 34,662.41, 47,846.39 and 20,515.22 is: 28,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,662.41 : 47,846.39 = 20,515.22 : x
  2. Step 2: Convert to fraction form
    34,662.41/47,846.39 = 20,515.22/x
  3. Step 3: Cross multiply
    34,662.41x = 47,846.39 × 20,515.22
  4. Step 4: Simplify right side
    34,662.41x = 981,578,875.25
  5. Step 5: Solve for x
    x = 981,578,875.25/34,662.41
  6. Step 6: Final answer
    x = 28,318.26

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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.