Home / 30,463.56-45,708.96-19,367.28

Finding the Fourth Proportional to 30,463.56, 45,708.96 and 19,367.28

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Solution

The fourth proportional to 30,463.56, 45,708.96 and 19,367.28 is: 29,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,463.56 : 45,708.96 = 19,367.28 : x
  2. Step 2: Convert to fraction form
    30,463.56/45,708.96 = 19,367.28/x
  3. Step 3: Cross multiply
    30,463.56x = 45,708.96 × 19,367.28
  4. Step 4: Simplify right side
    30,463.56x = 885,258,226.83
  5. Step 5: Solve for x
    x = 885,258,226.83/30,463.56
  6. Step 6: Final answer
    x = 29,059.58

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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.