Home / 40,724.77-61,096.73-12,643.39

Finding the Fourth Proportional to 40,724.77, 61,096.73 and 12,643.39

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Solution

The fourth proportional to 40,724.77, 61,096.73 and 12,643.39 is: 18,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724.77 : 61,096.73 = 12,643.39 : x
  2. Step 2: Convert to fraction form
    40,724.77/61,096.73 = 12,643.39/x
  3. Step 3: Cross multiply
    40,724.77x = 61,096.73 × 12,643.39
  4. Step 4: Simplify right side
    40,724.77x = 772,469,785.11
  5. Step 5: Solve for x
    x = 772,469,785.11/40,724.77
  6. Step 6: Final answer
    x = 18,968.06

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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.