Home / 30,768.66-46,181.88-15,988.08

Finding the Fourth Proportional to 30,768.66, 46,181.88 and 15,988.08

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Solution

The fourth proportional to 30,768.66, 46,181.88 and 15,988.08 is: 23,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,768.66 : 46,181.88 = 15,988.08 : x
  2. Step 2: Convert to fraction form
    30,768.66/46,181.88 = 15,988.08/x
  3. Step 3: Cross multiply
    30,768.66x = 46,181.88 × 15,988.08
  4. Step 4: Simplify right side
    30,768.66x = 738,359,591.99
  5. Step 5: Solve for x
    x = 738,359,591.99/30,768.66
  6. Step 6: Final answer
    x = 23,997.13

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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.