Home / 30,867.18-46,304.19-12,144.75

Finding the Fourth Proportional to 30,867.18, 46,304.19 and 12,144.75

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Solution

The fourth proportional to 30,867.18, 46,304.19 and 12,144.75 is: 18,218.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.18 : 46,304.19 = 12,144.75 : x
  2. Step 2: Convert to fraction form
    30,867.18/46,304.19 = 12,144.75/x
  3. Step 3: Cross multiply
    30,867.18x = 46,304.19 × 12,144.75
  4. Step 4: Simplify right side
    30,867.18x = 562,352,811.50
  5. Step 5: Solve for x
    x = 562,352,811.50/30,867.18
  6. Step 6: Final answer
    x = 18,218.47

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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.