Home / 41,749.80-57,636.90-28,392.36

Finding the Fourth Proportional to 41,749.80, 57,636.90 and 28,392.36

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Solution

The fourth proportional to 41,749.80, 57,636.90 and 28,392.36 is: 39,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,749.80 : 57,636.90 = 28,392.36 : x
  2. Step 2: Convert to fraction form
    41,749.80/57,636.90 = 28,392.36/x
  3. Step 3: Cross multiply
    41,749.80x = 57,636.90 × 28,392.36
  4. Step 4: Simplify right side
    41,749.80x = 1,636,447,614.08
  5. Step 5: Solve for x
    x = 1,636,447,614.08/41,749.80
  6. Step 6: Final answer
    x = 39,196.54

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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.