Home / 30,059.16-45,104.46-12,303

Finding the Fourth Proportional to 30,059.16, 45,104.46 and 12,303

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Solution

The fourth proportional to 30,059.16, 45,104.46 and 12,303 is: 18,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,059.16 : 45,104.46 = 12,303 : x
  2. Step 2: Convert to fraction form
    30,059.16/45,104.46 = 12,303/x
  3. Step 3: Cross multiply
    30,059.16x = 45,104.46 × 12,303
  4. Step 4: Simplify right side
    30,059.16x = 554,920,171.38
  5. Step 5: Solve for x
    x = 554,920,171.38/30,059.16
  6. Step 6: Final answer
    x = 18,460.93

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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.