Home / 39,853.74-54,983.79-26,431.50

Finding the Fourth Proportional to 39,853.74, 54,983.79 and 26,431.50

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Solution

The fourth proportional to 39,853.74, 54,983.79 and 26,431.50 is: 36,465.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.74 : 54,983.79 = 26,431.50 : x
  2. Step 2: Convert to fraction form
    39,853.74/54,983.79 = 26,431.50/x
  3. Step 3: Cross multiply
    39,853.74x = 54,983.79 × 26,431.50
  4. Step 4: Simplify right side
    39,853.74x = 1,453,304,045.39
  5. Step 5: Solve for x
    x = 1,453,304,045.39/39,853.74
  6. Step 6: Final answer
    x = 36,465.94

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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.