Home / 37,766.60-56,655.30-12,807.80

Finding the Fourth Proportional to 37,766.60, 56,655.30 and 12,807.80

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Solution

The fourth proportional to 37,766.60, 56,655.30 and 12,807.80 is: 19,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,766.60 : 56,655.30 = 12,807.80 : x
  2. Step 2: Convert to fraction form
    37,766.60/56,655.30 = 12,807.80/x
  3. Step 3: Cross multiply
    37,766.60x = 56,655.30 × 12,807.80
  4. Step 4: Simplify right side
    37,766.60x = 725,629,751.34
  5. Step 5: Solve for x
    x = 725,629,751.34/37,766.60
  6. Step 6: Final answer
    x = 19,213.53

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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.