Home / 40,609.26-55,936.65-28,651.62

Finding the Fourth Proportional to 40,609.26, 55,936.65 and 28,651.62

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Solution

The fourth proportional to 40,609.26, 55,936.65 and 28,651.62 is: 39,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,609.26 : 55,936.65 = 28,651.62 : x
  2. Step 2: Convert to fraction form
    40,609.26/55,936.65 = 28,651.62/x
  3. Step 3: Cross multiply
    40,609.26x = 55,936.65 × 28,651.62
  4. Step 4: Simplify right side
    40,609.26x = 1,602,675,639.87
  5. Step 5: Solve for x
    x = 1,602,675,639.87/40,609.26
  6. Step 6: Final answer
    x = 39,465.77

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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.