Home / 37,621.52-51,919.44-20,854.88

Finding the Fourth Proportional to 37,621.52, 51,919.44 and 20,854.88

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Solution

The fourth proportional to 37,621.52, 51,919.44 and 20,854.88 is: 28,780.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,621.52 : 51,919.44 = 20,854.88 : x
  2. Step 2: Convert to fraction form
    37,621.52/51,919.44 = 20,854.88/x
  3. Step 3: Cross multiply
    37,621.52x = 51,919.44 × 20,854.88
  4. Step 4: Simplify right side
    37,621.52x = 1,082,773,690.87
  5. Step 5: Solve for x
    x = 1,082,773,690.87/37,621.52
  6. Step 6: Final answer
    x = 28,780.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.