Home / 43,665.06-65,442.82-18,675.77

Finding the Fourth Proportional to 43,665.06, 65,442.82 and 18,675.77

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Solution

The fourth proportional to 43,665.06, 65,442.82 and 18,675.77 is: 27,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,665.06 : 65,442.82 = 18,675.77 : x
  2. Step 2: Convert to fraction form
    43,665.06/65,442.82 = 18,675.77/x
  3. Step 3: Cross multiply
    43,665.06x = 65,442.82 × 18,675.77
  4. Step 4: Simplify right side
    43,665.06x = 1,222,195,054.47
  5. Step 5: Solve for x
    x = 1,222,195,054.47/43,665.06
  6. Step 6: Final answer
    x = 27,990.23

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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.