Home / 36,458.66-54,690.67-13,085.30

Finding the Fourth Proportional to 36,458.66, 54,690.67 and 13,085.30

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Solution

The fourth proportional to 36,458.66, 54,690.67 and 13,085.30 is: 19,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,458.66 : 54,690.67 = 13,085.30 : x
  2. Step 2: Convert to fraction form
    36,458.66/54,690.67 = 13,085.30/x
  3. Step 3: Cross multiply
    36,458.66x = 54,690.67 × 13,085.30
  4. Step 4: Simplify right side
    36,458.66x = 715,643,824.15
  5. Step 5: Solve for x
    x = 715,643,824.15/36,458.66
  6. Step 6: Final answer
    x = 19,628.91

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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.