Home / 38,365.70-57,511.35-19,654.56

Finding the Fourth Proportional to 38,365.70, 57,511.35 and 19,654.56

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Solution

The fourth proportional to 38,365.70, 57,511.35 and 19,654.56 is: 29,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.70 : 57,511.35 = 19,654.56 : x
  2. Step 2: Convert to fraction form
    38,365.70/57,511.35 = 19,654.56/x
  3. Step 3: Cross multiply
    38,365.70x = 57,511.35 × 19,654.56
  4. Step 4: Simplify right side
    38,365.70x = 1,130,360,279.26
  5. Step 5: Solve for x
    x = 1,130,360,279.26/38,365.70
  6. Step 6: Final answer
    x = 29,462.79

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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.