Home / 39,672.72-54,748.34-22,677.32

Finding the Fourth Proportional to 39,672.72, 54,748.34 and 22,677.32

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Solution

The fourth proportional to 39,672.72, 54,748.34 and 22,677.32 is: 31,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.72 : 54,748.34 = 22,677.32 : x
  2. Step 2: Convert to fraction form
    39,672.72/54,748.34 = 22,677.32/x
  3. Step 3: Cross multiply
    39,672.72x = 54,748.34 × 22,677.32
  4. Step 4: Simplify right side
    39,672.72x = 1,241,545,238.52
  5. Step 5: Solve for x
    x = 1,241,545,238.52/39,672.72
  6. Step 6: Final answer
    x = 31,294.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.