Home / 54,961.48-82,386.54-21,705

Finding the Fourth Proportional to 54,961.48, 82,386.54 and 21,705

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Solution

The fourth proportional to 54,961.48, 82,386.54 and 21,705 is: 32,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.48 : 82,386.54 = 21,705 : x
  2. Step 2: Convert to fraction form
    54,961.48/82,386.54 = 21,705/x
  3. Step 3: Cross multiply
    54,961.48x = 82,386.54 × 21,705
  4. Step 4: Simplify right side
    54,961.48x = 1,788,199,850.70
  5. Step 5: Solve for x
    x = 1,788,199,850.70/54,961.48
  6. Step 6: Final answer
    x = 32,535.51

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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.