Home / 39,180.34-58,770.39-14,220.36

Finding the Fourth Proportional to 39,180.34, 58,770.39 and 14,220.36

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Solution

The fourth proportional to 39,180.34, 58,770.39 and 14,220.36 is: 21,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,180.34 : 58,770.39 = 14,220.36 : x
  2. Step 2: Convert to fraction form
    39,180.34/58,770.39 = 14,220.36/x
  3. Step 3: Cross multiply
    39,180.34x = 58,770.39 × 14,220.36
  4. Step 4: Simplify right side
    39,180.34x = 835,735,994.13
  5. Step 5: Solve for x
    x = 835,735,994.13/39,180.34
  6. Step 6: Final answer
    x = 21,330.49

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Half scale
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Double scale
Find fourth proportional to 39,181.34, 58,771.89 and 14,221.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.