Home / 65,926.73-90,977.01-38,702.38

Finding the Fourth Proportional to 65,926.73, 90,977.01 and 38,702.38

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Solution

The fourth proportional to 65,926.73, 90,977.01 and 38,702.38 is: 53,408.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,926.73 : 90,977.01 = 38,702.38 : x
  2. Step 2: Convert to fraction form
    65,926.73/90,977.01 = 38,702.38/x
  3. Step 3: Cross multiply
    65,926.73x = 90,977.01 × 38,702.38
  4. Step 4: Simplify right side
    65,926.73x = 3,521,026,357.40
  5. Step 5: Solve for x
    x = 3,521,026,357.40/65,926.73
  6. Step 6: Final answer
    x = 53,408.18

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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.