Home / 30,360.46-45,536.58-8,175.17

Finding the Fourth Proportional to 30,360.46, 45,536.58 and 8,175.17

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Solution

The fourth proportional to 30,360.46, 45,536.58 and 8,175.17 is: 12,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.46 : 45,536.58 = 8,175.17 : x
  2. Step 2: Convert to fraction form
    30,360.46/45,536.58 = 8,175.17/x
  3. Step 3: Cross multiply
    30,360.46x = 45,536.58 × 8,175.17
  4. Step 4: Simplify right side
    30,360.46x = 372,269,014.16
  5. Step 5: Solve for x
    x = 372,269,014.16/30,360.46
  6. Step 6: Final answer
    x = 12,261.64

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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.