Home / 38,558.19-53,209.93-21,562.23

Finding the Fourth Proportional to 38,558.19, 53,209.93 and 21,562.23

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Solution

The fourth proportional to 38,558.19, 53,209.93 and 21,562.23 is: 29,755.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.19 : 53,209.93 = 21,562.23 : x
  2. Step 2: Convert to fraction form
    38,558.19/53,209.93 = 21,562.23/x
  3. Step 3: Cross multiply
    38,558.19x = 53,209.93 × 21,562.23
  4. Step 4: Simplify right side
    38,558.19x = 1,147,324,935.00
  5. Step 5: Solve for x
    x = 1,147,324,935.00/38,558.19
  6. Step 6: Final answer
    x = 29,755.68

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Half scale
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Double scale
Find fourth proportional to 38,559.19, 53,211.31 and 21,563.23
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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.