Home / 30,680.18-46,078.62-19,074.50

Finding the Fourth Proportional to 30,680.18, 46,078.62 and 19,074.50

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Solution

The fourth proportional to 30,680.18, 46,078.62 and 19,074.50 is: 28,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,680.18 : 46,078.62 = 19,074.50 : x
  2. Step 2: Convert to fraction form
    30,680.18/46,078.62 = 19,074.50/x
  3. Step 3: Cross multiply
    30,680.18x = 46,078.62 × 19,074.50
  4. Step 4: Simplify right side
    30,680.18x = 878,926,637.19
  5. Step 5: Solve for x
    x = 878,926,637.19/30,680.18
  6. Step 6: Final answer
    x = 28,648.03

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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.