Home / 37,730.10-56,600.55-12,765.90

Finding the Fourth Proportional to 37,730.10, 56,600.55 and 12,765.90

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Solution

The fourth proportional to 37,730.10, 56,600.55 and 12,765.90 is: 19,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,730.10 : 56,600.55 = 12,765.90 : x
  2. Step 2: Convert to fraction form
    37,730.10/56,600.55 = 12,765.90/x
  3. Step 3: Cross multiply
    37,730.10x = 56,600.55 × 12,765.90
  4. Step 4: Simplify right side
    37,730.10x = 722,556,961.25
  5. Step 5: Solve for x
    x = 722,556,961.25/37,730.10
  6. Step 6: Final answer
    x = 19,150.68

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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.