Home / 30,823.42-46,230.88-13,290.97

Finding the Fourth Proportional to 30,823.42, 46,230.88 and 13,290.97

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Solution

The fourth proportional to 30,823.42, 46,230.88 and 13,290.97 is: 19,934.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823.42 : 46,230.88 = 13,290.97 : x
  2. Step 2: Convert to fraction form
    30,823.42/46,230.88 = 13,290.97/x
  3. Step 3: Cross multiply
    30,823.42x = 46,230.88 × 13,290.97
  4. Step 4: Simplify right side
    30,823.42x = 614,453,239.15
  5. Step 5: Solve for x
    x = 614,453,239.15/30,823.42
  6. Step 6: Final answer
    x = 19,934.62

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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.