Home / 37,817.86-56,729.40-12,847.72

Finding the Fourth Proportional to 37,817.86, 56,729.40 and 12,847.72

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Solution

The fourth proportional to 37,817.86, 56,729.40 and 12,847.72 is: 19,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.86 : 56,729.40 = 12,847.72 : x
  2. Step 2: Convert to fraction form
    37,817.86/56,729.40 = 12,847.72/x
  3. Step 3: Cross multiply
    37,817.86x = 56,729.40 × 12,847.72
  4. Step 4: Simplify right side
    37,817.86x = 728,843,446.97
  5. Step 5: Solve for x
    x = 728,843,446.97/37,817.86
  6. Step 6: Final answer
    x = 19,272.47

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1.5x scale

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.