Home / 32,861.80-45,339.78-19,426.60

Finding the Fourth Proportional to 32,861.80, 45,339.78 and 19,426.60

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Solution

The fourth proportional to 32,861.80, 45,339.78 and 19,426.60 is: 26,803.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,861.80 : 45,339.78 = 19,426.60 : x
  2. Step 2: Convert to fraction form
    32,861.80/45,339.78 = 19,426.60/x
  3. Step 3: Cross multiply
    32,861.80x = 45,339.78 × 19,426.60
  4. Step 4: Simplify right side
    32,861.80x = 880,797,770.15
  5. Step 5: Solve for x
    x = 880,797,770.15/32,861.80
  6. Step 6: Final answer
    x = 26,803.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.