Home / 38,455.58-57,663.38-17,385.54

Finding the Fourth Proportional to 38,455.58, 57,663.38 and 17,385.54

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Solution

The fourth proportional to 38,455.58, 57,663.38 and 17,385.54 is: 26,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.58 : 57,663.38 = 17,385.54 : x
  2. Step 2: Convert to fraction form
    38,455.58/57,663.38 = 17,385.54/x
  3. Step 3: Cross multiply
    38,455.58x = 57,663.38 × 17,385.54
  4. Step 4: Simplify right side
    38,455.58x = 1,002,509,053.31
  5. Step 5: Solve for x
    x = 1,002,509,053.31/38,455.58
  6. Step 6: Final answer
    x = 26,069.28

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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.