Home / 47,579.12-71,372.36-14,296.56

Finding the Fourth Proportional to 47,579.12, 71,372.36 and 14,296.56

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Solution

The fourth proportional to 47,579.12, 71,372.36 and 14,296.56 is: 21,445.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.12 : 71,372.36 = 14,296.56 : x
  2. Step 2: Convert to fraction form
    47,579.12/71,372.36 = 14,296.56/x
  3. Step 3: Cross multiply
    47,579.12x = 71,372.36 × 14,296.56
  4. Step 4: Simplify right side
    47,579.12x = 1,020,379,227.08
  5. Step 5: Solve for x
    x = 1,020,379,227.08/47,579.12
  6. Step 6: Final answer
    x = 21,445.95

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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.