Home / 45,233.73-67,861.88-13,643.02

Finding the Fourth Proportional to 45,233.73, 67,861.88 and 13,643.02

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Solution

The fourth proportional to 45,233.73, 67,861.88 and 13,643.02 is: 20,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.73 : 67,861.88 = 13,643.02 : x
  2. Step 2: Convert to fraction form
    45,233.73/67,861.88 = 13,643.02/x
  3. Step 3: Cross multiply
    45,233.73x = 67,861.88 × 13,643.02
  4. Step 4: Simplify right side
    45,233.73x = 925,840,986.08
  5. Step 5: Solve for x
    x = 925,840,986.08/45,233.73
  6. Step 6: Final answer
    x = 20,467.93

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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.