Home / 63,151.55-87,180.68-39,285.98

Finding the Fourth Proportional to 63,151.55, 87,180.68 and 39,285.98

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Solution

The fourth proportional to 63,151.55, 87,180.68 and 39,285.98 is: 54,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,151.55 : 87,180.68 = 39,285.98 : x
  2. Step 2: Convert to fraction form
    63,151.55/87,180.68 = 39,285.98/x
  3. Step 3: Cross multiply
    63,151.55x = 87,180.68 × 39,285.98
  4. Step 4: Simplify right side
    63,151.55x = 3,424,978,450.87
  5. Step 5: Solve for x
    x = 3,424,978,450.87/63,151.55
  6. Step 6: Final answer
    x = 54,234.27

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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.