Home / 37,140.98-51,258.05-21,222.33

Finding the Fourth Proportional to 37,140.98, 51,258.05 and 21,222.33

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Solution

The fourth proportional to 37,140.98, 51,258.05 and 21,222.33 is: 29,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.98 : 51,258.05 = 21,222.33 : x
  2. Step 2: Convert to fraction form
    37,140.98/51,258.05 = 21,222.33/x
  3. Step 3: Cross multiply
    37,140.98x = 51,258.05 × 21,222.33
  4. Step 4: Simplify right side
    37,140.98x = 1,087,815,146.14
  5. Step 5: Solve for x
    x = 1,087,815,146.14/37,140.98
  6. Step 6: Final answer
    x = 29,288.82

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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.