Home / 39,678.14-54,758.26-26,226.07

Finding the Fourth Proportional to 39,678.14, 54,758.26 and 26,226.07

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Solution

The fourth proportional to 39,678.14, 54,758.26 and 26,226.07 is: 36,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.14 : 54,758.26 = 26,226.07 : x
  2. Step 2: Convert to fraction form
    39,678.14/54,758.26 = 26,226.07/x
  3. Step 3: Cross multiply
    39,678.14x = 54,758.26 × 26,226.07
  4. Step 4: Simplify right side
    39,678.14x = 1,436,093,959.84
  5. Step 5: Solve for x
    x = 1,436,093,959.84/39,678.14
  6. Step 6: Final answer
    x = 36,193.58

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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.