Home / 38,408.04-53,018.38-33,009.12

Finding the Fourth Proportional to 38,408.04, 53,018.38 and 33,009.12

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Solution

The fourth proportional to 38,408.04, 53,018.38 and 33,009.12 is: 45,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.04 : 53,018.38 = 33,009.12 : x
  2. Step 2: Convert to fraction form
    38,408.04/53,018.38 = 33,009.12/x
  3. Step 3: Cross multiply
    38,408.04x = 53,018.38 × 33,009.12
  4. Step 4: Simplify right side
    38,408.04x = 1,750,090,067.63
  5. Step 5: Solve for x
    x = 1,750,090,067.63/38,408.04
  6. Step 6: Final answer
    x = 45,565.72

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Half scale
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Double scale
Find fourth proportional to 38,409.04, 53,019.76 and 33,010.12
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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.