Home / 37,919.26-52,328.10-20,691.64

Finding the Fourth Proportional to 37,919.26, 52,328.10 and 20,691.64

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Solution

The fourth proportional to 37,919.26, 52,328.10 and 20,691.64 is: 28,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,919.26 : 52,328.10 = 20,691.64 : x
  2. Step 2: Convert to fraction form
    37,919.26/52,328.10 = 20,691.64/x
  3. Step 3: Cross multiply
    37,919.26x = 52,328.10 × 20,691.64
  4. Step 4: Simplify right side
    37,919.26x = 1,082,754,207.08
  5. Step 5: Solve for x
    x = 1,082,754,207.08/37,919.26
  6. Step 6: Final answer
    x = 28,554.20

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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.