Home / 37,847.78-52,227.64-21,929.48

Finding the Fourth Proportional to 37,847.78, 52,227.64 and 21,929.48

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Solution

The fourth proportional to 37,847.78, 52,227.64 and 21,929.48 is: 30,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,847.78 : 52,227.64 = 21,929.48 : x
  2. Step 2: Convert to fraction form
    37,847.78/52,227.64 = 21,929.48/x
  3. Step 3: Cross multiply
    37,847.78x = 52,227.64 × 21,929.48
  4. Step 4: Simplify right side
    37,847.78x = 1,145,324,986.83
  5. Step 5: Solve for x
    x = 1,145,324,986.83/37,847.78
  6. Step 6: Final answer
    x = 30,261.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.