Home / 40,181.40-60,271.79-12,101.36

Finding the Fourth Proportional to 40,181.40, 60,271.79 and 12,101.36

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Solution

The fourth proportional to 40,181.40, 60,271.79 and 12,101.36 is: 18,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.40 : 60,271.79 = 12,101.36 : x
  2. Step 2: Convert to fraction form
    40,181.40/60,271.79 = 12,101.36/x
  3. Step 3: Cross multiply
    40,181.40x = 60,271.79 × 12,101.36
  4. Step 4: Simplify right side
    40,181.40x = 729,370,266.77
  5. Step 5: Solve for x
    x = 729,370,266.77/40,181.40
  6. Step 6: Final answer
    x = 18,151.94

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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.