Home / 49,130.12-67,780.32-30,234.44

Finding the Fourth Proportional to 49,130.12, 67,780.32 and 30,234.44

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Solution

The fourth proportional to 49,130.12, 67,780.32 and 30,234.44 is: 41,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.12 : 67,780.32 = 30,234.44 : x
  2. Step 2: Convert to fraction form
    49,130.12/67,780.32 = 30,234.44/x
  3. Step 3: Cross multiply
    49,130.12x = 67,780.32 × 30,234.44
  4. Step 4: Simplify right side
    49,130.12x = 2,049,300,018.22
  5. Step 5: Solve for x
    x = 2,049,300,018.22/49,130.12
  6. Step 6: Final answer
    x = 41,711.68

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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.