Home / 57,722.24-86,583.60-18,307.04

Finding the Fourth Proportional to 57,722.24, 86,583.60 and 18,307.04

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Solution

The fourth proportional to 57,722.24, 86,583.60 and 18,307.04 is: 27,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.24 : 86,583.60 = 18,307.04 : x
  2. Step 2: Convert to fraction form
    57,722.24/86,583.60 = 18,307.04/x
  3. Step 3: Cross multiply
    57,722.24x = 86,583.60 × 18,307.04
  4. Step 4: Simplify right side
    57,722.24x = 1,585,089,428.54
  5. Step 5: Solve for x
    x = 1,585,089,428.54/57,722.24
  6. Step 6: Final answer
    x = 27,460.64

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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.