Home / 54,492.34-81,732.30-18,946.84

Finding the Fourth Proportional to 54,492.34, 81,732.30 and 18,946.84

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Solution

The fourth proportional to 54,492.34, 81,732.30 and 18,946.84 is: 28,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.34 : 81,732.30 = 18,946.84 : x
  2. Step 2: Convert to fraction form
    54,492.34/81,732.30 = 18,946.84/x
  3. Step 3: Cross multiply
    54,492.34x = 81,732.30 × 18,946.84
  4. Step 4: Simplify right side
    54,492.34x = 1,548,568,810.93
  5. Step 5: Solve for x
    x = 1,548,568,810.93/54,492.34
  6. Step 6: Final answer
    x = 28,418.10

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1.5x scale

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.