Home / 37,722.20-56,549.82-18,977.72

Finding the Fourth Proportional to 37,722.20, 56,549.82 and 18,977.72

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Solution

The fourth proportional to 37,722.20, 56,549.82 and 18,977.72 is: 28,449.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,722.20 : 56,549.82 = 18,977.72 : x
  2. Step 2: Convert to fraction form
    37,722.20/56,549.82 = 18,977.72/x
  3. Step 3: Cross multiply
    37,722.20x = 56,549.82 × 18,977.72
  4. Step 4: Simplify right side
    37,722.20x = 1,073,186,650.01
  5. Step 5: Solve for x
    x = 1,073,186,650.01/37,722.20
  6. Step 6: Final answer
    x = 28,449.74

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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.