Home / 54,028.22-81,078.76-18,968.18

Finding the Fourth Proportional to 54,028.22, 81,078.76 and 18,968.18

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Solution

The fourth proportional to 54,028.22, 81,078.76 and 18,968.18 is: 28,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,028.22 : 81,078.76 = 18,968.18 : x
  2. Step 2: Convert to fraction form
    54,028.22/81,078.76 = 18,968.18/x
  3. Step 3: Cross multiply
    54,028.22x = 81,078.76 × 18,968.18
  4. Step 4: Simplify right side
    54,028.22x = 1,537,916,513.86
  5. Step 5: Solve for x
    x = 1,537,916,513.86/54,028.22
  6. Step 6: Final answer
    x = 28,465.06

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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.