Home / 47,985.18-71,978.68-16,402.48

Finding the Fourth Proportional to 47,985.18, 71,978.68 and 16,402.48

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Solution

The fourth proportional to 47,985.18, 71,978.68 and 16,402.48 is: 24,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,985.18 : 71,978.68 = 16,402.48 : x
  2. Step 2: Convert to fraction form
    47,985.18/71,978.68 = 16,402.48/x
  3. Step 3: Cross multiply
    47,985.18x = 71,978.68 × 16,402.48
  4. Step 4: Simplify right side
    47,985.18x = 1,180,628,859.13
  5. Step 5: Solve for x
    x = 1,180,628,859.13/47,985.18
  6. Step 6: Final answer
    x = 24,604.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.