Home / 37,918.26-52,326.72-20,690.64

Finding the Fourth Proportional to 37,918.26, 52,326.72 and 20,690.64

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Solution

The fourth proportional to 37,918.26, 52,326.72 and 20,690.64 is: 28,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.26 : 52,326.72 = 20,690.64 : x
  2. Step 2: Convert to fraction form
    37,918.26/52,326.72 = 20,690.64/x
  3. Step 3: Cross multiply
    37,918.26x = 52,326.72 × 20,690.64
  4. Step 4: Simplify right side
    37,918.26x = 1,082,673,325.90
  5. Step 5: Solve for x
    x = 1,082,673,325.90/37,918.26
  6. Step 6: Final answer
    x = 28,552.82

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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.