Home / 43,583.20-65,288.40-26,000.80

Finding the Fourth Proportional to 43,583.20, 65,288.40 and 26,000.80

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Solution

The fourth proportional to 43,583.20, 65,288.40 and 26,000.80 is: 38,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,583.20 : 65,288.40 = 26,000.80 : x
  2. Step 2: Convert to fraction form
    43,583.20/65,288.40 = 26,000.80/x
  3. Step 3: Cross multiply
    43,583.20x = 65,288.40 × 26,000.80
  4. Step 4: Simplify right side
    43,583.20x = 1,697,550,630.72
  5. Step 5: Solve for x
    x = 1,697,550,630.72/43,583.20
  6. Step 6: Final answer
    x = 38,949.66

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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.