Home / 37,785.02-52,144.60-20,789.90

Finding the Fourth Proportional to 37,785.02, 52,144.60 and 20,789.90

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Solution

The fourth proportional to 37,785.02, 52,144.60 and 20,789.90 is: 28,690.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,785.02 : 52,144.60 = 20,789.90 : x
  2. Step 2: Convert to fraction form
    37,785.02/52,144.60 = 20,789.90/x
  3. Step 3: Cross multiply
    37,785.02x = 52,144.60 × 20,789.90
  4. Step 4: Simplify right side
    37,785.02x = 1,084,081,019.54
  5. Step 5: Solve for x
    x = 1,084,081,019.54/37,785.02
  6. Step 6: Final answer
    x = 28,690.76

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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.