Home / 51,028.48-76,549.12-15,961.60

Finding the Fourth Proportional to 51,028.48, 76,549.12 and 15,961.60

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Solution

The fourth proportional to 51,028.48, 76,549.12 and 15,961.60 is: 23,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.48 : 76,549.12 = 15,961.60 : x
  2. Step 2: Convert to fraction form
    51,028.48/76,549.12 = 15,961.60/x
  3. Step 3: Cross multiply
    51,028.48x = 76,549.12 × 15,961.60
  4. Step 4: Simplify right side
    51,028.48x = 1,221,846,433.79
  5. Step 5: Solve for x
    x = 1,221,846,433.79/51,028.48
  6. Step 6: Final answer
    x = 23,944.40

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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.