Home / 49,138.12-67,810.74-26,782.12

Finding the Fourth Proportional to 49,138.12, 67,810.74 and 26,782.12

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Solution

The fourth proportional to 49,138.12, 67,810.74 and 26,782.12 is: 36,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,138.12 : 67,810.74 = 26,782.12 : x
  2. Step 2: Convert to fraction form
    49,138.12/67,810.74 = 26,782.12/x
  3. Step 3: Cross multiply
    49,138.12x = 67,810.74 × 26,782.12
  4. Step 4: Simplify right side
    49,138.12x = 1,816,115,375.97
  5. Step 5: Solve for x
    x = 1,816,115,375.97/49,138.12
  6. Step 6: Final answer
    x = 36,959.40

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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.