Home / 67,342.35-92,926.11-39,045

Finding the Fourth Proportional to 67,342.35, 92,926.11 and 39,045

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Solution

The fourth proportional to 67,342.35, 92,926.11 and 39,045 is: 53,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.35 : 92,926.11 = 39,045 : x
  2. Step 2: Convert to fraction form
    67,342.35/92,926.11 = 39,045/x
  3. Step 3: Cross multiply
    67,342.35x = 92,926.11 × 39,045
  4. Step 4: Simplify right side
    67,342.35x = 3,628,299,964.95
  5. Step 5: Solve for x
    x = 3,628,299,964.95/67,342.35
  6. Step 6: Final answer
    x = 53,878.43

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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.