Home / 47,384.05-71,052.30-15,783

Finding the Fourth Proportional to 47,384.05, 71,052.30 and 15,783

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Solution

The fourth proportional to 47,384.05, 71,052.30 and 15,783 is: 23,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,384.05 : 71,052.30 = 15,783 : x
  2. Step 2: Convert to fraction form
    47,384.05/71,052.30 = 15,783/x
  3. Step 3: Cross multiply
    47,384.05x = 71,052.30 × 15,783
  4. Step 4: Simplify right side
    47,384.05x = 1,121,418,450.90
  5. Step 5: Solve for x
    x = 1,121,418,450.90/47,384.05
  6. Step 6: Final answer
    x = 23,666.58

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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.