Home / 37,172.70-51,298.39-21,257.14

Finding the Fourth Proportional to 37,172.70, 51,298.39 and 21,257.14

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Solution

The fourth proportional to 37,172.70, 51,298.39 and 21,257.14 is: 29,334.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.70 : 51,298.39 = 21,257.14 : x
  2. Step 2: Convert to fraction form
    37,172.70/51,298.39 = 21,257.14/x
  3. Step 3: Cross multiply
    37,172.70x = 51,298.39 × 21,257.14
  4. Step 4: Simplify right side
    37,172.70x = 1,090,457,058.00
  5. Step 5: Solve for x
    x = 1,090,457,058.00/37,172.70
  6. Step 6: Final answer
    x = 29,334.89

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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.