Home / 38,669.58-57,945.33-28,760.94

Finding the Fourth Proportional to 38,669.58, 57,945.33 and 28,760.94

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Solution

The fourth proportional to 38,669.58, 57,945.33 and 28,760.94 is: 43,097.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,669.58 : 57,945.33 = 28,760.94 : x
  2. Step 2: Convert to fraction form
    38,669.58/57,945.33 = 28,760.94/x
  3. Step 3: Cross multiply
    38,669.58x = 57,945.33 × 28,760.94
  4. Step 4: Simplify right side
    38,669.58x = 1,666,562,159.41
  5. Step 5: Solve for x
    x = 1,666,562,159.41/38,669.58
  6. Step 6: Final answer
    x = 43,097.50

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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.