Home / 30,161.32-45,242.52-11,450.08

Finding the Fourth Proportional to 30,161.32, 45,242.52 and 11,450.08

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Solution

The fourth proportional to 30,161.32, 45,242.52 and 11,450.08 is: 17,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.32 : 45,242.52 = 11,450.08 : x
  2. Step 2: Convert to fraction form
    30,161.32/45,242.52 = 11,450.08/x
  3. Step 3: Cross multiply
    30,161.32x = 45,242.52 × 11,450.08
  4. Step 4: Simplify right side
    30,161.32x = 518,030,473.40
  5. Step 5: Solve for x
    x = 518,030,473.40/30,161.32
  6. Step 6: Final answer
    x = 17,175.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.