Home / 37,265.19-51,425.71-21,135.55

Finding the Fourth Proportional to 37,265.19, 51,425.71 and 21,135.55

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Solution

The fourth proportional to 37,265.19, 51,425.71 and 21,135.55 is: 29,166.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,265.19 : 51,425.71 = 21,135.55 : x
  2. Step 2: Convert to fraction form
    37,265.19/51,425.71 = 21,135.55/x
  3. Step 3: Cross multiply
    37,265.19x = 51,425.71 × 21,135.55
  4. Step 4: Simplify right side
    37,265.19x = 1,086,910,664.99
  5. Step 5: Solve for x
    x = 1,086,910,664.99/37,265.19
  6. Step 6: Final answer
    x = 29,166.92

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Double scale
Find fourth proportional to 37,266.19, 51,427.09 and 21,136.55
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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.