Home / 54,132.40-81,198.60-30,804.40

Finding the Fourth Proportional to 54,132.40, 81,198.60 and 30,804.40

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Solution

The fourth proportional to 54,132.40, 81,198.60 and 30,804.40 is: 46,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,132.40 : 81,198.60 = 30,804.40 : x
  2. Step 2: Convert to fraction form
    54,132.40/81,198.60 = 30,804.40/x
  3. Step 3: Cross multiply
    54,132.40x = 81,198.60 × 30,804.40
  4. Step 4: Simplify right side
    54,132.40x = 2,501,274,153.84
  5. Step 5: Solve for x
    x = 2,501,274,153.84/54,132.40
  6. Step 6: Final answer
    x = 46,206.60

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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.