Home / 47,692.38-71,539.24-14,412.72

Finding the Fourth Proportional to 47,692.38, 71,539.24 and 14,412.72

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Solution

The fourth proportional to 47,692.38, 71,539.24 and 14,412.72 is: 21,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.38 : 71,539.24 = 14,412.72 : x
  2. Step 2: Convert to fraction form
    47,692.38/71,539.24 = 14,412.72/x
  3. Step 3: Cross multiply
    47,692.38x = 71,539.24 × 14,412.72
  4. Step 4: Simplify right side
    47,692.38x = 1,031,075,035.13
  5. Step 5: Solve for x
    x = 1,031,075,035.13/47,692.38
  6. Step 6: Final answer
    x = 21,619.28

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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.