Home / 37,840.08-52,217.28-21,072

Finding the Fourth Proportional to 37,840.08, 52,217.28 and 21,072

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Solution

The fourth proportional to 37,840.08, 52,217.28 and 21,072 is: 29,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,840.08 : 52,217.28 = 21,072 : x
  2. Step 2: Convert to fraction form
    37,840.08/52,217.28 = 21,072/x
  3. Step 3: Cross multiply
    37,840.08x = 52,217.28 × 21,072
  4. Step 4: Simplify right side
    37,840.08x = 1,100,322,524.16
  5. Step 5: Solve for x
    x = 1,100,322,524.16/37,840.08
  6. Step 6: Final answer
    x = 29,078.23

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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.