Home / 37,771.80-56,654.34-12,811.26

Finding the Fourth Proportional to 37,771.80, 56,654.34 and 12,811.26

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Solution

The fourth proportional to 37,771.80, 56,654.34 and 12,811.26 is: 19,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.80 : 56,654.34 = 12,811.26 : x
  2. Step 2: Convert to fraction form
    37,771.80/56,654.34 = 12,811.26/x
  3. Step 3: Cross multiply
    37,771.80x = 56,654.34 × 12,811.26
  4. Step 4: Simplify right side
    37,771.80x = 725,813,479.87
  5. Step 5: Solve for x
    x = 725,813,479.87/37,771.80
  6. Step 6: Final answer
    x = 19,215.75

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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.