Home / 37,814.80-56,722.20-13,190.80

Finding the Fourth Proportional to 37,814.80, 56,722.20 and 13,190.80

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Solution

The fourth proportional to 37,814.80, 56,722.20 and 13,190.80 is: 19,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,814.80 : 56,722.20 = 13,190.80 : x
  2. Step 2: Convert to fraction form
    37,814.80/56,722.20 = 13,190.80/x
  3. Step 3: Cross multiply
    37,814.80x = 56,722.20 × 13,190.80
  4. Step 4: Simplify right side
    37,814.80x = 748,211,195.76
  5. Step 5: Solve for x
    x = 748,211,195.76/37,814.80
  6. Step 6: Final answer
    x = 19,786.20

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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.