Home / 49,138.66-67,813.23-26,782.66

Finding the Fourth Proportional to 49,138.66, 67,813.23 and 26,782.66

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Solution

The fourth proportional to 49,138.66, 67,813.23 and 26,782.66 is: 36,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.66 : 67,813.23 = 26,782.66 : x
  2. Step 2: Convert to fraction form
    49,138.66/67,813.23 = 26,782.66/x
  3. Step 3: Cross multiply
    49,138.66x = 67,813.23 × 26,782.66
  4. Step 4: Simplify right side
    49,138.66x = 1,816,218,682.59
  5. Step 5: Solve for x
    x = 1,816,218,682.59/49,138.66
  6. Step 6: Final answer
    x = 36,961.10

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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.