Home / 45,449.40-62,678.70-28,653.24

Finding the Fourth Proportional to 45,449.40, 62,678.70 and 28,653.24

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Solution

The fourth proportional to 45,449.40, 62,678.70 and 28,653.24 is: 39,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.40 : 62,678.70 = 28,653.24 : x
  2. Step 2: Convert to fraction form
    45,449.40/62,678.70 = 28,653.24/x
  3. Step 3: Cross multiply
    45,449.40x = 62,678.70 × 28,653.24
  4. Step 4: Simplify right side
    45,449.40x = 1,795,947,833.99
  5. Step 5: Solve for x
    x = 1,795,947,833.99/45,449.40
  6. Step 6: Final answer
    x = 39,515.33

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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.