Home / 37,956.64-56,896.85-12,979.60

Finding the Fourth Proportional to 37,956.64, 56,896.85 and 12,979.60

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Solution

The fourth proportional to 37,956.64, 56,896.85 and 12,979.60 is: 19,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,956.64 : 56,896.85 = 12,979.60 : x
  2. Step 2: Convert to fraction form
    37,956.64/56,896.85 = 12,979.60/x
  3. Step 3: Cross multiply
    37,956.64x = 56,896.85 × 12,979.60
  4. Step 4: Simplify right side
    37,956.64x = 738,498,354.26
  5. Step 5: Solve for x
    x = 738,498,354.26/37,956.64
  6. Step 6: Final answer
    x = 19,456.37

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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.