Home / 47,558.30-71,366.61-21,285.26

Finding the Fourth Proportional to 47,558.30, 71,366.61 and 21,285.26

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Solution

The fourth proportional to 47,558.30, 71,366.61 and 21,285.26 is: 31,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,558.30 : 71,366.61 = 21,285.26 : x
  2. Step 2: Convert to fraction form
    47,558.30/71,366.61 = 21,285.26/x
  3. Step 3: Cross multiply
    47,558.30x = 71,366.61 × 21,285.26
  4. Step 4: Simplify right side
    47,558.30x = 1,519,056,849.17
  5. Step 5: Solve for x
    x = 1,519,056,849.17/47,558.30
  6. Step 6: Final answer
    x = 31,940.94

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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.