Home / 30,040.52-45,057.90-9,258.44

Finding the Fourth Proportional to 30,040.52, 45,057.90 and 9,258.44

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Solution

The fourth proportional to 30,040.52, 45,057.90 and 9,258.44 is: 13,886.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.52 : 45,057.90 = 9,258.44 : x
  2. Step 2: Convert to fraction form
    30,040.52/45,057.90 = 9,258.44/x
  3. Step 3: Cross multiply
    30,040.52x = 45,057.90 × 9,258.44
  4. Step 4: Simplify right side
    30,040.52x = 417,165,863.68
  5. Step 5: Solve for x
    x = 417,165,863.68/30,040.52
  6. Step 6: Final answer
    x = 13,886.77

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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.