Home / 30,049.22-45,073.64-12,276.12

Finding the Fourth Proportional to 30,049.22, 45,073.64 and 12,276.12

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Solution

The fourth proportional to 30,049.22, 45,073.64 and 12,276.12 is: 18,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.22 : 45,073.64 = 12,276.12 : x
  2. Step 2: Convert to fraction form
    30,049.22/45,073.64 = 12,276.12/x
  3. Step 3: Cross multiply
    30,049.22x = 45,073.64 × 12,276.12
  4. Step 4: Simplify right side
    30,049.22x = 553,329,413.48
  5. Step 5: Solve for x
    x = 553,329,413.48/30,049.22
  6. Step 6: Final answer
    x = 18,414.10

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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.