Home / 37,028.68-51,099.64-21,113.28

Finding the Fourth Proportional to 37,028.68, 51,099.64 and 21,113.28

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Solution

The fourth proportional to 37,028.68, 51,099.64 and 21,113.28 is: 29,136.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,028.68 : 51,099.64 = 21,113.28 : x
  2. Step 2: Convert to fraction form
    37,028.68/51,099.64 = 21,113.28/x
  3. Step 3: Cross multiply
    37,028.68x = 51,099.64 × 21,113.28
  4. Step 4: Simplify right side
    37,028.68x = 1,078,881,007.22
  5. Step 5: Solve for x
    x = 1,078,881,007.22/37,028.68
  6. Step 6: Final answer
    x = 29,136.36

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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.