Home / 36,036.75-54,079.73-12,663.18

Finding the Fourth Proportional to 36,036.75, 54,079.73 and 12,663.18

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Solution

The fourth proportional to 36,036.75, 54,079.73 and 12,663.18 is: 19,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036.75 : 54,079.73 = 12,663.18 : x
  2. Step 2: Convert to fraction form
    36,036.75/54,079.73 = 12,663.18/x
  3. Step 3: Cross multiply
    36,036.75x = 54,079.73 × 12,663.18
  4. Step 4: Simplify right side
    36,036.75x = 684,821,355.34
  5. Step 5: Solve for x
    x = 684,821,355.34/36,036.75
  6. Step 6: Final answer
    x = 19,003.42

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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.