Home / 43,454.93-65,193.33-12,290.18

Finding the Fourth Proportional to 43,454.93, 65,193.33 and 12,290.18

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Solution

The fourth proportional to 43,454.93, 65,193.33 and 12,290.18 is: 18,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,454.93 : 65,193.33 = 12,290.18 : x
  2. Step 2: Convert to fraction form
    43,454.93/65,193.33 = 12,290.18/x
  3. Step 3: Cross multiply
    43,454.93x = 65,193.33 × 12,290.18
  4. Step 4: Simplify right side
    43,454.93x = 801,237,760.50
  5. Step 5: Solve for x
    x = 801,237,760.50/43,454.93
  6. Step 6: Final answer
    x = 18,438.36

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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.