Home / 43,870.44-65,805.66-12,705.69

Finding the Fourth Proportional to 43,870.44, 65,805.66 and 12,705.69

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Solution

The fourth proportional to 43,870.44, 65,805.66 and 12,705.69 is: 19,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.44 : 65,805.66 = 12,705.69 : x
  2. Step 2: Convert to fraction form
    43,870.44/65,805.66 = 12,705.69/x
  3. Step 3: Cross multiply
    43,870.44x = 65,805.66 × 12,705.69
  4. Step 4: Simplify right side
    43,870.44x = 836,106,316.21
  5. Step 5: Solve for x
    x = 836,106,316.21/43,870.44
  6. Step 6: Final answer
    x = 19,058.54

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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.