Home / 30,020.74-45,025.99-10,027.96

Finding the Fourth Proportional to 30,020.74, 45,025.99 and 10,027.96

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Solution

The fourth proportional to 30,020.74, 45,025.99 and 10,027.96 is: 15,040.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.74 : 45,025.99 = 10,027.96 : x
  2. Step 2: Convert to fraction form
    30,020.74/45,025.99 = 10,027.96/x
  3. Step 3: Cross multiply
    30,020.74x = 45,025.99 × 10,027.96
  4. Step 4: Simplify right side
    30,020.74x = 451,518,826.68
  5. Step 5: Solve for x
    x = 451,518,826.68/30,020.74
  6. Step 6: Final answer
    x = 15,040.23

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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.