Home / 40,271.70-60,388.02-12,186.48

Finding the Fourth Proportional to 40,271.70, 60,388.02 and 12,186.48

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Solution

The fourth proportional to 40,271.70, 60,388.02 and 12,186.48 is: 18,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,271.70 : 60,388.02 = 12,186.48 : x
  2. Step 2: Convert to fraction form
    40,271.70/60,388.02 = 12,186.48/x
  3. Step 3: Cross multiply
    40,271.70x = 60,388.02 × 12,186.48
  4. Step 4: Simplify right side
    40,271.70x = 735,917,397.97
  5. Step 5: Solve for x
    x = 735,917,397.97/40,271.70
  6. Step 6: Final answer
    x = 18,273.81

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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.