Home / 68,635.34-94,712.38-38,415.58

Finding the Fourth Proportional to 68,635.34, 94,712.38 and 38,415.58

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Solution

The fourth proportional to 68,635.34, 94,712.38 and 38,415.58 is: 53,011.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,635.34 : 94,712.38 = 38,415.58 : x
  2. Step 2: Convert to fraction form
    68,635.34/94,712.38 = 38,415.58/x
  3. Step 3: Cross multiply
    68,635.34x = 94,712.38 × 38,415.58
  4. Step 4: Simplify right side
    68,635.34x = 3,638,431,010.88
  5. Step 5: Solve for x
    x = 3,638,431,010.88/68,635.34
  6. Step 6: Final answer
    x = 53,011.04

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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.