Home / 49,263.20-67,980.32-29,121.92

Finding the Fourth Proportional to 49,263.20, 67,980.32 and 29,121.92

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Solution

The fourth proportional to 49,263.20, 67,980.32 and 29,121.92 is: 40,186.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,263.20 : 67,980.32 = 29,121.92 : x
  2. Step 2: Convert to fraction form
    49,263.20/67,980.32 = 29,121.92/x
  3. Step 3: Cross multiply
    49,263.20x = 67,980.32 × 29,121.92
  4. Step 4: Simplify right side
    49,263.20x = 1,979,717,440.61
  5. Step 5: Solve for x
    x = 1,979,717,440.61/49,263.20
  6. Step 6: Final answer
    x = 40,186.54

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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.