Home / 51,565.21-71,026.88-36,431.60

Finding the Fourth Proportional to 51,565.21, 71,026.88 and 36,431.60

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Solution

The fourth proportional to 51,565.21, 71,026.88 and 36,431.60 is: 50,181.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.21 : 71,026.88 = 36,431.60 : x
  2. Step 2: Convert to fraction form
    51,565.21/71,026.88 = 36,431.60/x
  3. Step 3: Cross multiply
    51,565.21x = 71,026.88 × 36,431.60
  4. Step 4: Simplify right side
    51,565.21x = 2,587,622,851.27
  5. Step 5: Solve for x
    x = 2,587,622,851.27/51,565.21
  6. Step 6: Final answer
    x = 50,181.57

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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.