Home / 57,135.21-85,710.79-23,847.65

Finding the Fourth Proportional to 57,135.21, 85,710.79 and 23,847.65

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Solution

The fourth proportional to 57,135.21, 85,710.79 and 23,847.65 is: 35,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.21 : 85,710.79 = 23,847.65 : x
  2. Step 2: Convert to fraction form
    57,135.21/85,710.79 = 23,847.65/x
  3. Step 3: Cross multiply
    57,135.21x = 85,710.79 × 23,847.65
  4. Step 4: Simplify right side
    57,135.21x = 2,044,000,843.81
  5. Step 5: Solve for x
    x = 2,044,000,843.81/57,135.21
  6. Step 6: Final answer
    x = 35,774.80

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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.