Home / 49,252.15-67,967.49-30,128.68

Finding the Fourth Proportional to 49,252.15, 67,967.49 and 30,128.68

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Solution

The fourth proportional to 49,252.15, 67,967.49 and 30,128.68 is: 41,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,252.15 : 67,967.49 = 30,128.68 : x
  2. Step 2: Convert to fraction form
    49,252.15/67,967.49 = 30,128.68/x
  3. Step 3: Cross multiply
    49,252.15x = 67,967.49 × 30,128.68
  4. Step 4: Simplify right side
    49,252.15x = 2,047,770,756.61
  5. Step 5: Solve for x
    x = 2,047,770,756.61/49,252.15
  6. Step 6: Final answer
    x = 41,577.29

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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.