Home / 43,246.80-64,870.20-33,405.30

Finding the Fourth Proportional to 43,246.80, 64,870.20 and 33,405.30

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Solution

The fourth proportional to 43,246.80, 64,870.20 and 33,405.30 is: 50,107.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,246.80 : 64,870.20 = 33,405.30 : x
  2. Step 2: Convert to fraction form
    43,246.80/64,870.20 = 33,405.30/x
  3. Step 3: Cross multiply
    43,246.80x = 64,870.20 × 33,405.30
  4. Step 4: Simplify right side
    43,246.80x = 2,167,008,492.06
  5. Step 5: Solve for x
    x = 2,167,008,492.06/43,246.80
  6. Step 6: Final answer
    x = 50,107.95

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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.