Home / 30,562.76-45,840.24-11,829.98

Finding the Fourth Proportional to 30,562.76, 45,840.24 and 11,829.98

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Solution

The fourth proportional to 30,562.76, 45,840.24 and 11,829.98 is: 17,743.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562.76 : 45,840.24 = 11,829.98 : x
  2. Step 2: Convert to fraction form
    30,562.76/45,840.24 = 11,829.98/x
  3. Step 3: Cross multiply
    30,562.76x = 45,840.24 × 11,829.98
  4. Step 4: Simplify right side
    30,562.76x = 542,288,979.14
  5. Step 5: Solve for x
    x = 542,288,979.14/30,562.76
  6. Step 6: Final answer
    x = 17,743.46

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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.