Home / 54,811.08-82,216.66-13,258.12

Finding the Fourth Proportional to 54,811.08, 82,216.66 and 13,258.12

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Solution

The fourth proportional to 54,811.08, 82,216.66 and 13,258.12 is: 19,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.08 : 82,216.66 = 13,258.12 : x
  2. Step 2: Convert to fraction form
    54,811.08/82,216.66 = 13,258.12/x
  3. Step 3: Cross multiply
    54,811.08x = 82,216.66 × 13,258.12
  4. Step 4: Simplify right side
    54,811.08x = 1,090,038,344.28
  5. Step 5: Solve for x
    x = 1,090,038,344.28/54,811.08
  6. Step 6: Final answer
    x = 19,887.19

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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.