Home / 38,441.04-53,052.12-21,673.68

Finding the Fourth Proportional to 38,441.04, 53,052.12 and 21,673.68

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Solution

The fourth proportional to 38,441.04, 53,052.12 and 21,673.68 is: 29,911.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,441.04 : 53,052.12 = 21,673.68 : x
  2. Step 2: Convert to fraction form
    38,441.04/53,052.12 = 21,673.68/x
  3. Step 3: Cross multiply
    38,441.04x = 53,052.12 × 21,673.68
  4. Step 4: Simplify right side
    38,441.04x = 1,149,834,672.20
  5. Step 5: Solve for x
    x = 1,149,834,672.20/38,441.04
  6. Step 6: Final answer
    x = 29,911.64

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Half scale
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Double scale
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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.