Home / 45,431.41-68,127.67-15,840.49

Finding the Fourth Proportional to 45,431.41, 68,127.67 and 15,840.49

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Solution

The fourth proportional to 45,431.41, 68,127.67 and 15,840.49 is: 23,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,431.41 : 68,127.67 = 15,840.49 : x
  2. Step 2: Convert to fraction form
    45,431.41/68,127.67 = 15,840.49/x
  3. Step 3: Cross multiply
    45,431.41x = 68,127.67 × 15,840.49
  4. Step 4: Simplify right side
    45,431.41x = 1,079,175,675.36
  5. Step 5: Solve for x
    x = 1,079,175,675.36/45,431.41
  6. Step 6: Final answer
    x = 23,753.96

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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.