Home / 57,722.10-86,585.85-18,282.30

Finding the Fourth Proportional to 57,722.10, 86,585.85 and 18,282.30

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Solution

The fourth proportional to 57,722.10, 86,585.85 and 18,282.30 is: 27,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.10 : 86,585.85 = 18,282.30 : x
  2. Step 2: Convert to fraction form
    57,722.10/86,585.85 = 18,282.30/x
  3. Step 3: Cross multiply
    57,722.10x = 86,585.85 × 18,282.30
  4. Step 4: Simplify right side
    57,722.10x = 1,582,988,485.46
  5. Step 5: Solve for x
    x = 1,582,988,485.46/57,722.10
  6. Step 6: Final answer
    x = 27,424.31

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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.