Home / 45,968.96-68,957.40-12,689.03

Finding the Fourth Proportional to 45,968.96, 68,957.40 and 12,689.03

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Solution

The fourth proportional to 45,968.96, 68,957.40 and 12,689.03 is: 19,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,968.96 : 68,957.40 = 12,689.03 : x
  2. Step 2: Convert to fraction form
    45,968.96/68,957.40 = 12,689.03/x
  3. Step 3: Cross multiply
    45,968.96x = 68,957.40 × 12,689.03
  4. Step 4: Simplify right side
    45,968.96x = 875,002,172.54
  5. Step 5: Solve for x
    x = 875,002,172.54/45,968.96
  6. Step 6: Final answer
    x = 19,034.63

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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.