Home / 30,273.40-45,399.30-10,552.60

Finding the Fourth Proportional to 30,273.40, 45,399.30 and 10,552.60

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Solution

The fourth proportional to 30,273.40, 45,399.30 and 10,552.60 is: 15,825.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.40 : 45,399.30 = 10,552.60 : x
  2. Step 2: Convert to fraction form
    30,273.40/45,399.30 = 10,552.60/x
  3. Step 3: Cross multiply
    30,273.40x = 45,399.30 × 10,552.60
  4. Step 4: Simplify right side
    30,273.40x = 479,080,653.18
  5. Step 5: Solve for x
    x = 479,080,653.18/30,273.40
  6. Step 6: Final answer
    x = 15,825.14

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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.