Home / 38,281.14-57,433.39-19,574.31

Finding the Fourth Proportional to 38,281.14, 57,433.39 and 19,574.31

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Solution

The fourth proportional to 38,281.14, 57,433.39 and 19,574.31 is: 29,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.14 : 57,433.39 = 19,574.31 : x
  2. Step 2: Convert to fraction form
    38,281.14/57,433.39 = 19,574.31/x
  3. Step 3: Cross multiply
    38,281.14x = 57,433.39 × 19,574.31
  4. Step 4: Simplify right side
    38,281.14x = 1,124,219,220.05
  5. Step 5: Solve for x
    x = 1,124,219,220.05/38,281.14
  6. Step 6: Final answer
    x = 29,367.45

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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.