Home / 37,814.24-52,181.67-20,815.16

Finding the Fourth Proportional to 37,814.24, 52,181.67 and 20,815.16

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Solution

The fourth proportional to 37,814.24, 52,181.67 and 20,815.16 is: 28,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.24 : 52,181.67 = 20,815.16 : x
  2. Step 2: Convert to fraction form
    37,814.24/52,181.67 = 20,815.16/x
  3. Step 3: Cross multiply
    37,814.24x = 52,181.67 × 20,815.16
  4. Step 4: Simplify right side
    37,814.24x = 1,086,170,111.66
  5. Step 5: Solve for x
    x = 1,086,170,111.66/37,814.24
  6. Step 6: Final answer
    x = 28,723.84

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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.