Home / 30,813.04-46,219.68-7,439.44

Finding the Fourth Proportional to 30,813.04, 46,219.68 and 7,439.44

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Solution

The fourth proportional to 30,813.04, 46,219.68 and 7,439.44 is: 11,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.04 : 46,219.68 = 7,439.44 : x
  2. Step 2: Convert to fraction form
    30,813.04/46,219.68 = 7,439.44/x
  3. Step 3: Cross multiply
    30,813.04x = 46,219.68 × 7,439.44
  4. Step 4: Simplify right side
    30,813.04x = 343,848,536.18
  5. Step 5: Solve for x
    x = 343,848,536.18/30,813.04
  6. Step 6: Final answer
    x = 11,159.19

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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.