Home / 46,679.86-69,992.91-20,372.02

Finding the Fourth Proportional to 46,679.86, 69,992.91 and 20,372.02

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Solution

The fourth proportional to 46,679.86, 69,992.91 and 20,372.02 is: 30,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,679.86 : 69,992.91 = 20,372.02 : x
  2. Step 2: Convert to fraction form
    46,679.86/69,992.91 = 20,372.02/x
  3. Step 3: Cross multiply
    46,679.86x = 69,992.91 × 20,372.02
  4. Step 4: Simplify right side
    46,679.86x = 1,425,896,962.38
  5. Step 5: Solve for x
    x = 1,425,896,962.38/46,679.86
  6. Step 6: Final answer
    x = 30,546.30

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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.