Home / 37,811.20-56,714.40-12,851.20

Finding the Fourth Proportional to 37,811.20, 56,714.40 and 12,851.20

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Solution

The fourth proportional to 37,811.20, 56,714.40 and 12,851.20 is: 19,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.20 : 56,714.40 = 12,851.20 : x
  2. Step 2: Convert to fraction form
    37,811.20/56,714.40 = 12,851.20/x
  3. Step 3: Cross multiply
    37,811.20x = 56,714.40 × 12,851.20
  4. Step 4: Simplify right side
    37,811.20x = 728,848,097.28
  5. Step 5: Solve for x
    x = 728,848,097.28/37,811.20
  6. Step 6: Final answer
    x = 19,275.98

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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.