Home / 53,673.21-80,487.30-20,374.92

Finding the Fourth Proportional to 53,673.21, 80,487.30 and 20,374.92

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Solution

The fourth proportional to 53,673.21, 80,487.30 and 20,374.92 is: 30,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,673.21 : 80,487.30 = 20,374.92 : x
  2. Step 2: Convert to fraction form
    53,673.21/80,487.30 = 20,374.92/x
  3. Step 3: Cross multiply
    53,673.21x = 80,487.30 × 20,374.92
  4. Step 4: Simplify right side
    53,673.21x = 1,639,922,298.52
  5. Step 5: Solve for x
    x = 1,639,922,298.52/53,673.21
  6. Step 6: Final answer
    x = 30,553.83

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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.