Home / 47,678.59-71,517.95-16,513.84

Finding the Fourth Proportional to 47,678.59, 71,517.95 and 16,513.84

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Solution

The fourth proportional to 47,678.59, 71,517.95 and 16,513.84 is: 24,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.59 : 71,517.95 = 16,513.84 : x
  2. Step 2: Convert to fraction form
    47,678.59/71,517.95 = 16,513.84/x
  3. Step 3: Cross multiply
    47,678.59x = 71,517.95 × 16,513.84
  4. Step 4: Simplify right side
    47,678.59x = 1,181,035,983.43
  5. Step 5: Solve for x
    x = 1,181,035,983.43/47,678.59
  6. Step 6: Final answer
    x = 24,770.78

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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.