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Finding the Fourth Proportional to 50,037, 75,036.68 and 20,439.02

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Solution

The fourth proportional to 50,037, 75,036.68 and 20,439.02 is: 30,650.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,037 : 75,036.68 = 20,439.02 : x
  2. Step 2: Convert to fraction form
    50,037/75,036.68 = 20,439.02/x
  3. Step 3: Cross multiply
    50,037x = 75,036.68 × 20,439.02
  4. Step 4: Simplify right side
    50,037x = 1,533,676,203.25
  5. Step 5: Solve for x
    x = 1,533,676,203.25/50,037
  6. Step 6: Final answer
    x = 30,650.84

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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.