Home / 54,811.36-82,216.32-13,258

Finding the Fourth Proportional to 54,811.36, 82,216.32 and 13,258

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Solution

The fourth proportional to 54,811.36, 82,216.32 and 13,258 is: 19,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.36 : 82,216.32 = 13,258 : x
  2. Step 2: Convert to fraction form
    54,811.36/82,216.32 = 13,258/x
  3. Step 3: Cross multiply
    54,811.36x = 82,216.32 × 13,258
  4. Step 4: Simplify right side
    54,811.36x = 1,090,023,970.56
  5. Step 5: Solve for x
    x = 1,090,023,970.56/54,811.36
  6. Step 6: Final answer
    x = 19,886.83

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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.