Home / 39,885.16-59,825.58-12,181

Finding the Fourth Proportional to 39,885.16, 59,825.58 and 12,181

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Solution

The fourth proportional to 39,885.16, 59,825.58 and 12,181 is: 18,270.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885.16 : 59,825.58 = 12,181 : x
  2. Step 2: Convert to fraction form
    39,885.16/59,825.58 = 12,181/x
  3. Step 3: Cross multiply
    39,885.16x = 59,825.58 × 12,181
  4. Step 4: Simplify right side
    39,885.16x = 728,735,389.98
  5. Step 5: Solve for x
    x = 728,735,389.98/39,885.16
  6. Step 6: Final answer
    x = 18,270.84

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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.