Home / 45,968.31-68,944.19-12,680.12

Finding the Fourth Proportional to 45,968.31, 68,944.19 and 12,680.12

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Solution

The fourth proportional to 45,968.31, 68,944.19 and 12,680.12 is: 19,017.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.31 : 68,944.19 = 12,680.12 : x
  2. Step 2: Convert to fraction form
    45,968.31/68,944.19 = 12,680.12/x
  3. Step 3: Cross multiply
    45,968.31x = 68,944.19 × 12,680.12
  4. Step 4: Simplify right side
    45,968.31x = 874,220,553.22
  5. Step 5: Solve for x
    x = 874,220,553.22/45,968.31
  6. Step 6: Final answer
    x = 19,017.90

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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.