Home / 68,215.82-94,125.34-38,000.40

Finding the Fourth Proportional to 68,215.82, 94,125.34 and 38,000.40

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Solution

The fourth proportional to 68,215.82, 94,125.34 and 38,000.40 is: 52,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.82 : 94,125.34 = 38,000.40 : x
  2. Step 2: Convert to fraction form
    68,215.82/94,125.34 = 38,000.40/x
  3. Step 3: Cross multiply
    68,215.82x = 94,125.34 × 38,000.40
  4. Step 4: Simplify right side
    68,215.82x = 3,576,800,570.14
  5. Step 5: Solve for x
    x = 3,576,800,570.14/68,215.82
  6. Step 6: Final answer
    x = 52,433.59

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1.5x scale

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.