Home / 37,879.52-52,276.08-20,883.68

Finding the Fourth Proportional to 37,879.52, 52,276.08 and 20,883.68

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Solution

The fourth proportional to 37,879.52, 52,276.08 and 20,883.68 is: 28,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.52 : 52,276.08 = 20,883.68 : x
  2. Step 2: Convert to fraction form
    37,879.52/52,276.08 = 20,883.68/x
  3. Step 3: Cross multiply
    37,879.52x = 52,276.08 × 20,883.68
  4. Step 4: Simplify right side
    37,879.52x = 1,091,716,926.37
  5. Step 5: Solve for x
    x = 1,091,716,926.37/37,879.52
  6. Step 6: Final answer
    x = 28,820.77

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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.