Home / 30,972.04-46,464.66-8,792.20

Finding the Fourth Proportional to 30,972.04, 46,464.66 and 8,792.20

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Solution

The fourth proportional to 30,972.04, 46,464.66 and 8,792.20 is: 13,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,972.04 : 46,464.66 = 8,792.20 : x
  2. Step 2: Convert to fraction form
    30,972.04/46,464.66 = 8,792.20/x
  3. Step 3: Cross multiply
    30,972.04x = 46,464.66 × 8,792.20
  4. Step 4: Simplify right side
    30,972.04x = 408,526,583.65
  5. Step 5: Solve for x
    x = 408,526,583.65/30,972.04
  6. Step 6: Final answer
    x = 13,190.17

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1.5x scale

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.