Home / 49,893.39-74,775.29-20,276.76

Finding the Fourth Proportional to 49,893.39, 74,775.29 and 20,276.76

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Solution

The fourth proportional to 49,893.39, 74,775.29 and 20,276.76 is: 30,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,893.39 : 74,775.29 = 20,276.76 : x
  2. Step 2: Convert to fraction form
    49,893.39/74,775.29 = 20,276.76/x
  3. Step 3: Cross multiply
    49,893.39x = 74,775.29 × 20,276.76
  4. Step 4: Simplify right side
    49,893.39x = 1,516,200,507.88
  5. Step 5: Solve for x
    x = 1,516,200,507.88/49,893.39
  6. Step 6: Final answer
    x = 30,388.81

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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.