Home / 68,628.34-94,702.73-38,408.57

Finding the Fourth Proportional to 68,628.34, 94,702.73 and 38,408.57

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Solution

The fourth proportional to 68,628.34, 94,702.73 and 38,408.57 is: 53,001.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.34 : 94,702.73 = 38,408.57 : x
  2. Step 2: Convert to fraction form
    68,628.34/94,702.73 = 38,408.57/x
  3. Step 3: Cross multiply
    68,628.34x = 94,702.73 × 38,408.57
  4. Step 4: Simplify right side
    68,628.34x = 3,637,396,434.40
  5. Step 5: Solve for x
    x = 3,637,396,434.40/68,628.34
  6. Step 6: Final answer
    x = 53,001.38

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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.