Home / 30,078.04-41,509.12-17,333.12

Finding the Fourth Proportional to 30,078.04, 41,509.12 and 17,333.12

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Solution

The fourth proportional to 30,078.04, 41,509.12 and 17,333.12 is: 23,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,078.04 : 41,509.12 = 17,333.12 : x
  2. Step 2: Convert to fraction form
    30,078.04/41,509.12 = 17,333.12/x
  3. Step 3: Cross multiply
    30,078.04x = 41,509.12 × 17,333.12
  4. Step 4: Simplify right side
    30,078.04x = 719,482,558.05
  5. Step 5: Solve for x
    x = 719,482,558.05/30,078.04
  6. Step 6: Final answer
    x = 23,920.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.