Home / 36,981.99-51,035.15-19,986.19

Finding the Fourth Proportional to 36,981.99, 51,035.15 and 19,986.19

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Solution

The fourth proportional to 36,981.99, 51,035.15 and 19,986.19 is: 27,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.99 : 51,035.15 = 19,986.19 : x
  2. Step 2: Convert to fraction form
    36,981.99/51,035.15 = 19,986.19/x
  3. Step 3: Cross multiply
    36,981.99x = 51,035.15 × 19,986.19
  4. Step 4: Simplify right side
    36,981.99x = 1,019,998,126.96
  5. Step 5: Solve for x
    x = 1,019,998,126.96/36,981.99
  6. Step 6: Final answer
    x = 27,580.94

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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.