Home / 51,219.66-76,828.92-13,268.76

Finding the Fourth Proportional to 51,219.66, 76,828.92 and 13,268.76

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Solution

The fourth proportional to 51,219.66, 76,828.92 and 13,268.76 is: 19,902.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,219.66 : 76,828.92 = 13,268.76 : x
  2. Step 2: Convert to fraction form
    51,219.66/76,828.92 = 13,268.76/x
  3. Step 3: Cross multiply
    51,219.66x = 76,828.92 × 13,268.76
  4. Step 4: Simplify right side
    51,219.66x = 1,019,424,500.54
  5. Step 5: Solve for x
    x = 1,019,424,500.54/51,219.66
  6. Step 6: Final answer
    x = 19,902.99

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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.