Home / 53,923.60-80,861.10-20,632.60

Finding the Fourth Proportional to 53,923.60, 80,861.10 and 20,632.60

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Solution

The fourth proportional to 53,923.60, 80,861.10 and 20,632.60 is: 30,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,923.60 : 80,861.10 = 20,632.60 : x
  2. Step 2: Convert to fraction form
    53,923.60/80,861.10 = 20,632.60/x
  3. Step 3: Cross multiply
    53,923.60x = 80,861.10 × 20,632.60
  4. Step 4: Simplify right side
    53,923.60x = 1,668,374,731.86
  5. Step 5: Solve for x
    x = 1,668,374,731.86/53,923.60
  6. Step 6: Final answer
    x = 30,939.60

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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.