Home / 43,741.20-65,611.80-26,000.40

Finding the Fourth Proportional to 43,741.20, 65,611.80 and 26,000.40

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Solution

The fourth proportional to 43,741.20, 65,611.80 and 26,000.40 is: 39,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,741.20 : 65,611.80 = 26,000.40 : x
  2. Step 2: Convert to fraction form
    43,741.20/65,611.80 = 26,000.40/x
  3. Step 3: Cross multiply
    43,741.20x = 65,611.80 × 26,000.40
  4. Step 4: Simplify right side
    43,741.20x = 1,705,933,044.72
  5. Step 5: Solve for x
    x = 1,705,933,044.72/43,741.20
  6. Step 6: Final answer
    x = 39,000.60

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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.