Home / 30,157.60-45,253.68-22,243.36

Finding the Fourth Proportional to 30,157.60, 45,253.68 and 22,243.36

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Solution

The fourth proportional to 30,157.60, 45,253.68 and 22,243.36 is: 33,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.60 : 45,253.68 = 22,243.36 : x
  2. Step 2: Convert to fraction form
    30,157.60/45,253.68 = 22,243.36/x
  3. Step 3: Cross multiply
    30,157.60x = 45,253.68 × 22,243.36
  4. Step 4: Simplify right side
    30,157.60x = 1,006,593,895.56
  5. Step 5: Solve for x
    x = 1,006,593,895.56/30,157.60
  6. Step 6: Final answer
    x = 33,377.79

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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.