Home / 30,110.45-45,163.96-9,050.06

Finding the Fourth Proportional to 30,110.45, 45,163.96 and 9,050.06

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Solution

The fourth proportional to 30,110.45, 45,163.96 and 9,050.06 is: 13,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,110.45 : 45,163.96 = 9,050.06 : x
  2. Step 2: Convert to fraction form
    30,110.45/45,163.96 = 9,050.06/x
  3. Step 3: Cross multiply
    30,110.45x = 45,163.96 × 9,050.06
  4. Step 4: Simplify right side
    30,110.45x = 408,736,638.12
  5. Step 5: Solve for x
    x = 408,736,638.12/30,110.45
  6. Step 6: Final answer
    x = 13,574.58

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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.