Home / 33,903.60-50,711.40-30,418.80

Finding the Fourth Proportional to 33,903.60, 50,711.40 and 30,418.80

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Solution

The fourth proportional to 33,903.60, 50,711.40 and 30,418.80 is: 45,499.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,903.60 : 50,711.40 = 30,418.80 : x
  2. Step 2: Convert to fraction form
    33,903.60/50,711.40 = 30,418.80/x
  3. Step 3: Cross multiply
    33,903.60x = 50,711.40 × 30,418.80
  4. Step 4: Simplify right side
    33,903.60x = 1,542,579,934.32
  5. Step 5: Solve for x
    x = 1,542,579,934.32/33,903.60
  6. Step 6: Final answer
    x = 45,499.00

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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.