Home / 54,069.04-81,103.56-20,804.77

Finding the Fourth Proportional to 54,069.04, 81,103.56 and 20,804.77

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Solution

The fourth proportional to 54,069.04, 81,103.56 and 20,804.77 is: 31,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.04 : 81,103.56 = 20,804.77 : x
  2. Step 2: Convert to fraction form
    54,069.04/81,103.56 = 20,804.77/x
  3. Step 3: Cross multiply
    54,069.04x = 81,103.56 × 20,804.77
  4. Step 4: Simplify right side
    54,069.04x = 1,687,340,402.44
  5. Step 5: Solve for x
    x = 1,687,340,402.44/54,069.04
  6. Step 6: Final answer
    x = 31,207.15

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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.