Home / 43,779.75-65,679.21-14,200.58

Finding the Fourth Proportional to 43,779.75, 65,679.21 and 14,200.58

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Solution

The fourth proportional to 43,779.75, 65,679.21 and 14,200.58 is: 21,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,779.75 : 65,679.21 = 14,200.58 : x
  2. Step 2: Convert to fraction form
    43,779.75/65,679.21 = 14,200.58/x
  3. Step 3: Cross multiply
    43,779.75x = 65,679.21 × 14,200.58
  4. Step 4: Simplify right side
    43,779.75x = 932,682,547.55
  5. Step 5: Solve for x
    x = 932,682,547.55/43,779.75
  6. Step 6: Final answer
    x = 21,303.97

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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.