Home / 37,805.20-56,705.40-12,845.20

Finding the Fourth Proportional to 37,805.20, 56,705.40 and 12,845.20

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Solution

The fourth proportional to 37,805.20, 56,705.40 and 12,845.20 is: 19,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,805.20 : 56,705.40 = 12,845.20 : x
  2. Step 2: Convert to fraction form
    37,805.20/56,705.40 = 12,845.20/x
  3. Step 3: Cross multiply
    37,805.20x = 56,705.40 × 12,845.20
  4. Step 4: Simplify right side
    37,805.20x = 728,392,204.08
  5. Step 5: Solve for x
    x = 728,392,204.08/37,805.20
  6. Step 6: Final answer
    x = 19,266.98

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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.