Home / 57,913.03-86,869.50-20,452.74

Finding the Fourth Proportional to 57,913.03, 86,869.50 and 20,452.74

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Solution

The fourth proportional to 57,913.03, 86,869.50 and 20,452.74 is: 30,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,913.03 : 86,869.50 = 20,452.74 : x
  2. Step 2: Convert to fraction form
    57,913.03/86,869.50 = 20,452.74/x
  3. Step 3: Cross multiply
    57,913.03x = 86,869.50 × 20,452.74
  4. Step 4: Simplify right side
    57,913.03x = 1,776,719,297.43
  5. Step 5: Solve for x
    x = 1,776,719,297.43/57,913.03
  6. Step 6: Final answer
    x = 30,679.09

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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.