Home / 31,308.12-46,930.59-19,629.54

Finding the Fourth Proportional to 31,308.12, 46,930.59 and 19,629.54

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Solution

The fourth proportional to 31,308.12, 46,930.59 and 19,629.54 is: 29,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.12 : 46,930.59 = 19,629.54 : x
  2. Step 2: Convert to fraction form
    31,308.12/46,930.59 = 19,629.54/x
  3. Step 3: Cross multiply
    31,308.12x = 46,930.59 × 19,629.54
  4. Step 4: Simplify right side
    31,308.12x = 921,225,893.63
  5. Step 5: Solve for x
    x = 921,225,893.63/31,308.12
  6. Step 6: Final answer
    x = 29,424.50

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1.5x scale

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.