Home / 37,274.20-55,976.10-19,778.20

Finding the Fourth Proportional to 37,274.20, 55,976.10 and 19,778.20

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Solution

The fourth proportional to 37,274.20, 55,976.10 and 19,778.20 is: 29,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,274.20 : 55,976.10 = 19,778.20 : x
  2. Step 2: Convert to fraction form
    37,274.20/55,976.10 = 19,778.20/x
  3. Step 3: Cross multiply
    37,274.20x = 55,976.10 × 19,778.20
  4. Step 4: Simplify right side
    37,274.20x = 1,107,106,501.02
  5. Step 5: Solve for x
    x = 1,107,106,501.02/37,274.20
  6. Step 6: Final answer
    x = 29,701.68

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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.