Home / 56,778.96-85,181.61-19,339.35

Finding the Fourth Proportional to 56,778.96, 85,181.61 and 19,339.35

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Solution

The fourth proportional to 56,778.96, 85,181.61 and 19,339.35 is: 29,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,778.96 : 85,181.61 = 19,339.35 : x
  2. Step 2: Convert to fraction form
    56,778.96/85,181.61 = 19,339.35/x
  3. Step 3: Cross multiply
    56,778.96x = 85,181.61 × 19,339.35
  4. Step 4: Simplify right side
    56,778.96x = 1,647,356,969.35
  5. Step 5: Solve for x
    x = 1,647,356,969.35/56,778.96
  6. Step 6: Final answer
    x = 29,013.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.