Home / 37,171.08-51,290.67-21,252.45

Finding the Fourth Proportional to 37,171.08, 51,290.67 and 21,252.45

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Solution

The fourth proportional to 37,171.08, 51,290.67 and 21,252.45 is: 29,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,171.08 : 51,290.67 = 21,252.45 : x
  2. Step 2: Convert to fraction form
    37,171.08/51,290.67 = 21,252.45/x
  3. Step 3: Cross multiply
    37,171.08x = 51,290.67 × 21,252.45
  4. Step 4: Simplify right side
    37,171.08x = 1,090,052,399.64
  5. Step 5: Solve for x
    x = 1,090,052,399.64/37,171.08
  6. Step 6: Final answer
    x = 29,325.28

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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.