Home / 43,900.32-65,833.92-14,311.20

Finding the Fourth Proportional to 43,900.32, 65,833.92 and 14,311.20

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Solution

The fourth proportional to 43,900.32, 65,833.92 and 14,311.20 is: 21,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,900.32 : 65,833.92 = 14,311.20 : x
  2. Step 2: Convert to fraction form
    43,900.32/65,833.92 = 14,311.20/x
  3. Step 3: Cross multiply
    43,900.32x = 65,833.92 × 14,311.20
  4. Step 4: Simplify right side
    43,900.32x = 942,162,395.90
  5. Step 5: Solve for x
    x = 942,162,395.90/43,900.32
  6. Step 6: Final answer
    x = 21,461.40

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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.