Home / 31,533.12-47,324.16-11,829.60

Finding the Fourth Proportional to 31,533.12, 47,324.16 and 11,829.60

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Solution

The fourth proportional to 31,533.12, 47,324.16 and 11,829.60 is: 17,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,533.12 : 47,324.16 = 11,829.60 : x
  2. Step 2: Convert to fraction form
    31,533.12/47,324.16 = 11,829.60/x
  3. Step 3: Cross multiply
    31,533.12x = 47,324.16 × 11,829.60
  4. Step 4: Simplify right side
    31,533.12x = 559,825,883.14
  5. Step 5: Solve for x
    x = 559,825,883.14/31,533.12
  6. Step 6: Final answer
    x = 17,753.58

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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.