Home / 43,534.47-65,326.31-18,572.16

Finding the Fourth Proportional to 43,534.47, 65,326.31 and 18,572.16

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Solution

The fourth proportional to 43,534.47, 65,326.31 and 18,572.16 is: 27,868.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,534.47 : 65,326.31 = 18,572.16 : x
  2. Step 2: Convert to fraction form
    43,534.47/65,326.31 = 18,572.16/x
  3. Step 3: Cross multiply
    43,534.47x = 65,326.31 × 18,572.16
  4. Step 4: Simplify right side
    43,534.47x = 1,213,250,262.04
  5. Step 5: Solve for x
    x = 1,213,250,262.04/43,534.47
  6. Step 6: Final answer
    x = 27,868.73

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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.