Home / 47,485.84-71,178.52-17,890.88

Finding the Fourth Proportional to 47,485.84, 71,178.52 and 17,890.88

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Solution

The fourth proportional to 47,485.84, 71,178.52 and 17,890.88 is: 26,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,485.84 : 71,178.52 = 17,890.88 : x
  2. Step 2: Convert to fraction form
    47,485.84/71,178.52 = 17,890.88/x
  3. Step 3: Cross multiply
    47,485.84x = 71,178.52 × 17,890.88
  4. Step 4: Simplify right side
    47,485.84x = 1,273,446,359.90
  5. Step 5: Solve for x
    x = 1,273,446,359.90/47,485.84
  6. Step 6: Final answer
    x = 26,817.39

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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.