Home / 40,172.40-60,258.30-12,092.33

Finding the Fourth Proportional to 40,172.40, 60,258.30 and 12,092.33

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Solution

The fourth proportional to 40,172.40, 60,258.30 and 12,092.33 is: 18,138.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,172.40 : 60,258.30 = 12,092.33 : x
  2. Step 2: Convert to fraction form
    40,172.40/60,258.30 = 12,092.33/x
  3. Step 3: Cross multiply
    40,172.40x = 60,258.30 × 12,092.33
  4. Step 4: Simplify right side
    40,172.40x = 728,663,354.14
  5. Step 5: Solve for x
    x = 728,663,354.14/40,172.40
  6. Step 6: Final answer
    x = 18,138.41

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1.5x scale

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.