Home / 38,241.33-52,771.50-21,246.63

Finding the Fourth Proportional to 38,241.33, 52,771.50 and 21,246.63

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Solution

The fourth proportional to 38,241.33, 52,771.50 and 21,246.63 is: 29,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,241.33 : 52,771.50 = 21,246.63 : x
  2. Step 2: Convert to fraction form
    38,241.33/52,771.50 = 21,246.63/x
  3. Step 3: Cross multiply
    38,241.33x = 52,771.50 × 21,246.63
  4. Step 4: Simplify right side
    38,241.33x = 1,121,216,535.05
  5. Step 5: Solve for x
    x = 1,121,216,535.05/38,241.33
  6. Step 6: Final answer
    x = 29,319.50

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Half scale
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Double scale
Find fourth proportional to 38,242.33, 52,772.88 and 21,247.63
Similar ratio
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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.