Home / 30,882.06-46,328.49-9,821.79

Finding the Fourth Proportional to 30,882.06, 46,328.49 and 9,821.79

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Solution

The fourth proportional to 30,882.06, 46,328.49 and 9,821.79 is: 14,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,882.06 : 46,328.49 = 9,821.79 : x
  2. Step 2: Convert to fraction form
    30,882.06/46,328.49 = 9,821.79/x
  3. Step 3: Cross multiply
    30,882.06x = 46,328.49 × 9,821.79
  4. Step 4: Simplify right side
    30,882.06x = 455,028,699.80
  5. Step 5: Solve for x
    x = 455,028,699.80/30,882.06
  6. Step 6: Final answer
    x = 14,734.40

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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.