Home / 47,905.05-71,857.71-16,740.30

Finding the Fourth Proportional to 47,905.05, 71,857.71 and 16,740.30

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Solution

The fourth proportional to 47,905.05, 71,857.71 and 16,740.30 is: 25,110.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,905.05 : 71,857.71 = 16,740.30 : x
  2. Step 2: Convert to fraction form
    47,905.05/71,857.71 = 16,740.30/x
  3. Step 3: Cross multiply
    47,905.05x = 71,857.71 × 16,740.30
  4. Step 4: Simplify right side
    47,905.05x = 1,202,919,622.71
  5. Step 5: Solve for x
    x = 1,202,919,622.71/47,905.05
  6. Step 6: Final answer
    x = 25,110.50

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1.5x scale

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.