Home / 53,645.67-80,450.28-18,577.13

Finding the Fourth Proportional to 53,645.67, 80,450.28 and 18,577.13

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Solution

The fourth proportional to 53,645.67, 80,450.28 and 18,577.13 is: 27,859.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,645.67 : 80,450.28 = 18,577.13 : x
  2. Step 2: Convert to fraction form
    53,645.67/80,450.28 = 18,577.13/x
  3. Step 3: Cross multiply
    53,645.67x = 80,450.28 × 18,577.13
  4. Step 4: Simplify right side
    53,645.67x = 1,494,534,907.85
  5. Step 5: Solve for x
    x = 1,494,534,907.85/53,645.67
  6. Step 6: Final answer
    x = 27,859.38

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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.