Home / 42,553.38-63,811.60-14,465.90

Finding the Fourth Proportional to 42,553.38, 63,811.60 and 14,465.90

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Solution

The fourth proportional to 42,553.38, 63,811.60 and 14,465.90 is: 21,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,553.38 : 63,811.60 = 14,465.90 : x
  2. Step 2: Convert to fraction form
    42,553.38/63,811.60 = 14,465.90/x
  3. Step 3: Cross multiply
    42,553.38x = 63,811.60 × 14,465.90
  4. Step 4: Simplify right side
    42,553.38x = 923,092,224.44
  5. Step 5: Solve for x
    x = 923,092,224.44/42,553.38
  6. Step 6: Final answer
    x = 21,692.57

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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.