Home / 53,824.87-80,742.80-20,572.92

Finding the Fourth Proportional to 53,824.87, 80,742.80 and 20,572.92

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Solution

The fourth proportional to 53,824.87, 80,742.80 and 20,572.92 is: 30,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,824.87 : 80,742.80 = 20,572.92 : x
  2. Step 2: Convert to fraction form
    53,824.87/80,742.80 = 20,572.92/x
  3. Step 3: Cross multiply
    53,824.87x = 80,742.80 × 20,572.92
  4. Step 4: Simplify right side
    53,824.87x = 1,661,115,164.98
  5. Step 5: Solve for x
    x = 1,661,115,164.98/53,824.87
  6. Step 6: Final answer
    x = 30,861.48

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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.