Home / 38,558.26-53,210.03-21,562.31

Finding the Fourth Proportional to 38,558.26, 53,210.03 and 21,562.31

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Solution

The fourth proportional to 38,558.26, 53,210.03 and 21,562.31 is: 29,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.26 : 53,210.03 = 21,562.31 : x
  2. Step 2: Convert to fraction form
    38,558.26/53,210.03 = 21,562.31/x
  3. Step 3: Cross multiply
    38,558.26x = 53,210.03 × 21,562.31
  4. Step 4: Simplify right side
    38,558.26x = 1,147,331,149.36
  5. Step 5: Solve for x
    x = 1,147,331,149.36/38,558.26
  6. Step 6: Final answer
    x = 29,755.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.