Home / 43,559.14-65,338.74-12,394.39

Finding the Fourth Proportional to 43,559.14, 65,338.74 and 12,394.39

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Solution

The fourth proportional to 43,559.14, 65,338.74 and 12,394.39 is: 18,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,559.14 : 65,338.74 = 12,394.39 : x
  2. Step 2: Convert to fraction form
    43,559.14/65,338.74 = 12,394.39/x
  3. Step 3: Cross multiply
    43,559.14x = 65,338.74 × 12,394.39
  4. Step 4: Simplify right side
    43,559.14x = 809,833,825.67
  5. Step 5: Solve for x
    x = 809,833,825.67/43,559.14
  6. Step 6: Final answer
    x = 18,591.59

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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.