Home / 54,881.36-82,322.28-13,328.36

Finding the Fourth Proportional to 54,881.36, 82,322.28 and 13,328.36

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Solution

The fourth proportional to 54,881.36, 82,322.28 and 13,328.36 is: 19,992.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,881.36 : 82,322.28 = 13,328.36 : x
  2. Step 2: Convert to fraction form
    54,881.36/82,322.28 = 13,328.36/x
  3. Step 3: Cross multiply
    54,881.36x = 82,322.28 × 13,328.36
  4. Step 4: Simplify right side
    54,881.36x = 1,097,220,983.86
  5. Step 5: Solve for x
    x = 1,097,220,983.86/54,881.36
  6. Step 6: Final answer
    x = 19,992.60

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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.