Home / 39,689.82-54,774.72-26,237.70

Finding the Fourth Proportional to 39,689.82, 54,774.72 and 26,237.70

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Solution

The fourth proportional to 39,689.82, 54,774.72 and 26,237.70 is: 36,209.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.82 : 54,774.72 = 26,237.70 : x
  2. Step 2: Convert to fraction form
    39,689.82/54,774.72 = 26,237.70/x
  3. Step 3: Cross multiply
    39,689.82x = 54,774.72 × 26,237.70
  4. Step 4: Simplify right side
    39,689.82x = 1,437,162,670.94
  5. Step 5: Solve for x
    x = 1,437,162,670.94/39,689.82
  6. Step 6: Final answer
    x = 36,209.86

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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.