Home / 68,058.24-102,087.36-21,314.76

Finding the Fourth Proportional to 68,058.24, 102,087.36 and 21,314.76

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Solution

The fourth proportional to 68,058.24, 102,087.36 and 21,314.76 is: 31,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,058.24 : 102,087.36 = 21,314.76 : x
  2. Step 2: Convert to fraction form
    68,058.24/102,087.36 = 21,314.76/x
  3. Step 3: Cross multiply
    68,058.24x = 102,087.36 × 21,314.76
  4. Step 4: Simplify right side
    68,058.24x = 2,175,967,577.43
  5. Step 5: Solve for x
    x = 2,175,967,577.43/68,058.24
  6. Step 6: Final answer
    x = 31,972.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.