Home / 39,481.76-59,222.64-19,740.44

Finding the Fourth Proportional to 39,481.76, 59,222.64 and 19,740.44

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Solution

The fourth proportional to 39,481.76, 59,222.64 and 19,740.44 is: 29,610.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,481.76 : 59,222.64 = 19,740.44 : x
  2. Step 2: Convert to fraction form
    39,481.76/59,222.64 = 19,740.44/x
  3. Step 3: Cross multiply
    39,481.76x = 59,222.64 × 19,740.44
  4. Step 4: Simplify right side
    39,481.76x = 1,169,080,971.56
  5. Step 5: Solve for x
    x = 1,169,080,971.56/39,481.76
  6. Step 6: Final answer
    x = 29,610.66

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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.