Home / 30,562.41-45,875.06-18,724.37

Finding the Fourth Proportional to 30,562.41, 45,875.06 and 18,724.37

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Solution

The fourth proportional to 30,562.41, 45,875.06 and 18,724.37 is: 28,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.41 : 45,875.06 = 18,724.37 : x
  2. Step 2: Convert to fraction form
    30,562.41/45,875.06 = 18,724.37/x
  3. Step 3: Cross multiply
    30,562.41x = 45,875.06 × 18,724.37
  4. Step 4: Simplify right side
    30,562.41x = 858,981,344.43
  5. Step 5: Solve for x
    x = 858,981,344.43/30,562.41
  6. Step 6: Final answer
    x = 28,105.81

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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.