Home / 37,420.22-51,638.63-22,305.09

Finding the Fourth Proportional to 37,420.22, 51,638.63 and 22,305.09

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Solution

The fourth proportional to 37,420.22, 51,638.63 and 22,305.09 is: 30,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,420.22 : 51,638.63 = 22,305.09 : x
  2. Step 2: Convert to fraction form
    37,420.22/51,638.63 = 22,305.09/x
  3. Step 3: Cross multiply
    37,420.22x = 51,638.63 × 22,305.09
  4. Step 4: Simplify right side
    37,420.22x = 1,151,804,371.75
  5. Step 5: Solve for x
    x = 1,151,804,371.75/37,420.22
  6. Step 6: Final answer
    x = 30,780.27

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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.