Home / 39,885.41-59,825.96-12,181.25

Finding the Fourth Proportional to 39,885.41, 59,825.96 and 12,181.25

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Solution

The fourth proportional to 39,885.41, 59,825.96 and 12,181.25 is: 18,271.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,885.41 : 59,825.96 = 12,181.25 : x
  2. Step 2: Convert to fraction form
    39,885.41/59,825.96 = 12,181.25/x
  3. Step 3: Cross multiply
    39,885.41x = 59,825.96 × 12,181.25
  4. Step 4: Simplify right side
    39,885.41x = 728,754,914.34
  5. Step 5: Solve for x
    x = 728,754,914.34/39,885.41
  6. Step 6: Final answer
    x = 18,271.22

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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.