Home / 37,260.59-51,419.39-21,130.92

Finding the Fourth Proportional to 37,260.59, 51,419.39 and 21,130.92

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Solution

The fourth proportional to 37,260.59, 51,419.39 and 21,130.92 is: 29,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,260.59 : 51,419.39 = 21,130.92 : x
  2. Step 2: Convert to fraction form
    37,260.59/51,419.39 = 21,130.92/x
  3. Step 3: Cross multiply
    37,260.59x = 51,419.39 × 21,130.92
  4. Step 4: Simplify right side
    37,260.59x = 1,086,538,910.88
  5. Step 5: Solve for x
    x = 1,086,538,910.88/37,260.59
  6. Step 6: Final answer
    x = 29,160.54

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Half scale
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Double scale
Find fourth proportional to 37,261.59, 51,420.76 and 21,131.92
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.