Home / 54,492.74-81,736.88-18,962.20

Finding the Fourth Proportional to 54,492.74, 81,736.88 and 18,962.20

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Solution

The fourth proportional to 54,492.74, 81,736.88 and 18,962.20 is: 28,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.74 : 81,736.88 = 18,962.20 : x
  2. Step 2: Convert to fraction form
    54,492.74/81,736.88 = 18,962.20/x
  3. Step 3: Cross multiply
    54,492.74x = 81,736.88 × 18,962.20
  4. Step 4: Simplify right side
    54,492.74x = 1,549,911,065.94
  5. Step 5: Solve for x
    x = 1,549,911,065.94/54,492.74
  6. Step 6: Final answer
    x = 28,442.52

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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.