Home / 54,492.63-81,736.68-18,962.09

Finding the Fourth Proportional to 54,492.63, 81,736.68 and 18,962.09

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Solution

The fourth proportional to 54,492.63, 81,736.68 and 18,962.09 is: 28,442.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.63 : 81,736.68 = 18,962.09 : x
  2. Step 2: Convert to fraction form
    54,492.63/81,736.68 = 18,962.09/x
  3. Step 3: Cross multiply
    54,492.63x = 81,736.68 × 18,962.09
  4. Step 4: Simplify right side
    54,492.63x = 1,549,897,873.78
  5. Step 5: Solve for x
    x = 1,549,897,873.78/54,492.63
  6. Step 6: Final answer
    x = 28,442.34

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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.