Home / 47,745.72-71,609.33-45,374.85

Finding the Fourth Proportional to 47,745.72, 71,609.33 and 45,374.85

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Solution

The fourth proportional to 47,745.72, 71,609.33 and 45,374.85 is: 68,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,745.72 : 71,609.33 = 45,374.85 : x
  2. Step 2: Convert to fraction form
    47,745.72/71,609.33 = 45,374.85/x
  3. Step 3: Cross multiply
    47,745.72x = 71,609.33 × 45,374.85
  4. Step 4: Simplify right side
    47,745.72x = 3,249,262,720.79
  5. Step 5: Solve for x
    x = 3,249,262,720.79/47,745.72
  6. Step 6: Final answer
    x = 68,053.49

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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.