Home / 47,692.47-71,539.20-14,412.81

Finding the Fourth Proportional to 47,692.47, 71,539.20 and 14,412.81

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Solution

The fourth proportional to 47,692.47, 71,539.20 and 14,412.81 is: 21,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.47 : 71,539.20 = 14,412.81 : x
  2. Step 2: Convert to fraction form
    47,692.47/71,539.20 = 14,412.81/x
  3. Step 3: Cross multiply
    47,692.47x = 71,539.20 × 14,412.81
  4. Step 4: Simplify right side
    47,692.47x = 1,031,080,897.15
  5. Step 5: Solve for x
    x = 1,031,080,897.15/47,692.47
  6. Step 6: Final answer
    x = 21,619.36

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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.