Home / 30,222.74-45,334.04-8,036.12

Finding the Fourth Proportional to 30,222.74, 45,334.04 and 8,036.12

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Solution

The fourth proportional to 30,222.74, 45,334.04 and 8,036.12 is: 12,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.74 : 45,334.04 = 8,036.12 : x
  2. Step 2: Convert to fraction form
    30,222.74/45,334.04 = 8,036.12/x
  3. Step 3: Cross multiply
    30,222.74x = 45,334.04 × 8,036.12
  4. Step 4: Simplify right side
    30,222.74x = 364,309,518.67
  5. Step 5: Solve for x
    x = 364,309,518.67/30,222.74
  6. Step 6: Final answer
    x = 12,054.15

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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.