Home / 34,268.94-51,403.77-12,078.18

Finding the Fourth Proportional to 34,268.94, 51,403.77 and 12,078.18

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Solution

The fourth proportional to 34,268.94, 51,403.77 and 12,078.18 is: 18,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.94 : 51,403.77 = 12,078.18 : x
  2. Step 2: Convert to fraction form
    34,268.94/51,403.77 = 12,078.18/x
  3. Step 3: Cross multiply
    34,268.94x = 51,403.77 × 12,078.18
  4. Step 4: Simplify right side
    34,268.94x = 620,863,986.74
  5. Step 5: Solve for x
    x = 620,863,986.74/34,268.94
  6. Step 6: Final answer
    x = 18,117.40

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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.