Home / 54,024.08-81,072.32-18,963.84

Finding the Fourth Proportional to 54,024.08, 81,072.32 and 18,963.84

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Solution

The fourth proportional to 54,024.08, 81,072.32 and 18,963.84 is: 28,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,024.08 : 81,072.32 = 18,963.84 : x
  2. Step 2: Convert to fraction form
    54,024.08/81,072.32 = 18,963.84/x
  3. Step 3: Cross multiply
    54,024.08x = 81,072.32 × 18,963.84
  4. Step 4: Simplify right side
    54,024.08x = 1,537,442,504.91
  5. Step 5: Solve for x
    x = 1,537,442,504.91/54,024.08
  6. Step 6: Final answer
    x = 28,458.47

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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.