Home / 57,638.19-86,461.74-22,116.51

Finding the Fourth Proportional to 57,638.19, 86,461.74 and 22,116.51

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Solution

The fourth proportional to 57,638.19, 86,461.74 and 22,116.51 is: 33,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,638.19 : 86,461.74 = 22,116.51 : x
  2. Step 2: Convert to fraction form
    57,638.19/86,461.74 = 22,116.51/x
  3. Step 3: Cross multiply
    57,638.19x = 86,461.74 × 22,116.51
  4. Step 4: Simplify right side
    57,638.19x = 1,912,231,937.33
  5. Step 5: Solve for x
    x = 1,912,231,937.33/57,638.19
  6. Step 6: Final answer
    x = 33,176.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.