Home / 30,653.82-45,956.30-28,193.58

Finding the Fourth Proportional to 30,653.82, 45,956.30 and 28,193.58

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Solution

The fourth proportional to 30,653.82, 45,956.30 and 28,193.58 is: 42,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,653.82 : 45,956.30 = 28,193.58 : x
  2. Step 2: Convert to fraction form
    30,653.82/45,956.30 = 28,193.58/x
  3. Step 3: Cross multiply
    30,653.82x = 45,956.30 × 28,193.58
  4. Step 4: Simplify right side
    30,653.82x = 1,295,672,479.59
  5. Step 5: Solve for x
    x = 1,295,672,479.59/30,653.82
  6. Step 6: Final answer
    x = 42,267.90

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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.