Home / 29,538.96-40,762.80-16,791.36

Finding the Fourth Proportional to 29,538.96, 40,762.80 and 16,791.36

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Solution

The fourth proportional to 29,538.96, 40,762.80 and 16,791.36 is: 23,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,538.96 : 40,762.80 = 16,791.36 : x
  2. Step 2: Convert to fraction form
    29,538.96/40,762.80 = 16,791.36/x
  3. Step 3: Cross multiply
    29,538.96x = 40,762.80 × 16,791.36
  4. Step 4: Simplify right side
    29,538.96x = 684,462,849.41
  5. Step 5: Solve for x
    x = 684,462,849.41/29,538.96
  6. Step 6: Final answer
    x = 23,171.53

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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.