Home / 29,321.76-43,973.36-15,463.20

Finding the Fourth Proportional to 29,321.76, 43,973.36 and 15,463.20

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Solution

The fourth proportional to 29,321.76, 43,973.36 and 15,463.20 is: 23,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,321.76 : 43,973.36 = 15,463.20 : x
  2. Step 2: Convert to fraction form
    29,321.76/43,973.36 = 15,463.20/x
  3. Step 3: Cross multiply
    29,321.76x = 43,973.36 × 15,463.20
  4. Step 4: Simplify right side
    29,321.76x = 679,968,860.35
  5. Step 5: Solve for x
    x = 679,968,860.35/29,321.76
  6. Step 6: Final answer
    x = 23,189.91

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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.