Home / 40,944.36-61,380.01-15,978.60

Finding the Fourth Proportional to 40,944.36, 61,380.01 and 15,978.60

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Solution

The fourth proportional to 40,944.36, 61,380.01 and 15,978.60 is: 23,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.36 : 61,380.01 = 15,978.60 : x
  2. Step 2: Convert to fraction form
    40,944.36/61,380.01 = 15,978.60/x
  3. Step 3: Cross multiply
    40,944.36x = 61,380.01 × 15,978.60
  4. Step 4: Simplify right side
    40,944.36x = 980,766,627.79
  5. Step 5: Solve for x
    x = 980,766,627.79/40,944.36
  6. Step 6: Final answer
    x = 23,953.64

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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.