Home / 33,412.40-50,118.54-13,690.98

Finding the Fourth Proportional to 33,412.40, 50,118.54 and 13,690.98

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Solution

The fourth proportional to 33,412.40, 50,118.54 and 13,690.98 is: 20,536.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,412.40 : 50,118.54 = 13,690.98 : x
  2. Step 2: Convert to fraction form
    33,412.40/50,118.54 = 13,690.98/x
  3. Step 3: Cross multiply
    33,412.40x = 50,118.54 × 13,690.98
  4. Step 4: Simplify right side
    33,412.40x = 686,171,928.77
  5. Step 5: Solve for x
    x = 686,171,928.77/33,412.40
  6. Step 6: Final answer
    x = 20,536.45

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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.