Home / 38,009.58-52,448.68-21,011.54

Finding the Fourth Proportional to 38,009.58, 52,448.68 and 21,011.54

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Solution

The fourth proportional to 38,009.58, 52,448.68 and 21,011.54 is: 28,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.58 : 52,448.68 = 21,011.54 : x
  2. Step 2: Convert to fraction form
    38,009.58/52,448.68 = 21,011.54/x
  3. Step 3: Cross multiply
    38,009.58x = 52,448.68 × 21,011.54
  4. Step 4: Simplify right side
    38,009.58x = 1,102,027,537.77
  5. Step 5: Solve for x
    x = 1,102,027,537.77/38,009.58
  6. Step 6: Final answer
    x = 28,993.42

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Half scale
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Double scale
Find fourth proportional to 38,010.58, 52,450.06 and 21,012.54
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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.