Home / 41,443.47-57,172.32-28,019.34

Finding the Fourth Proportional to 41,443.47, 57,172.32 and 28,019.34

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Solution

The fourth proportional to 41,443.47, 57,172.32 and 28,019.34 is: 38,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,443.47 : 57,172.32 = 28,019.34 : x
  2. Step 2: Convert to fraction form
    41,443.47/57,172.32 = 28,019.34/x
  3. Step 3: Cross multiply
    41,443.47x = 57,172.32 × 28,019.34
  4. Step 4: Simplify right side
    41,443.47x = 1,601,930,672.67
  5. Step 5: Solve for x
    x = 1,601,930,672.67/41,443.47
  6. Step 6: Final answer
    x = 38,653.39

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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.