Home / 30,515.45-45,744.30-23,007.35

Finding the Fourth Proportional to 30,515.45, 45,744.30 and 23,007.35

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Solution

The fourth proportional to 30,515.45, 45,744.30 and 23,007.35 is: 34,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515.45 : 45,744.30 = 23,007.35 : x
  2. Step 2: Convert to fraction form
    30,515.45/45,744.30 = 23,007.35/x
  3. Step 3: Cross multiply
    30,515.45x = 45,744.30 × 23,007.35
  4. Step 4: Simplify right side
    30,515.45x = 1,052,454,891.88
  5. Step 5: Solve for x
    x = 1,052,454,891.88/30,515.45
  6. Step 6: Final answer
    x = 34,489.25

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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.