Home / 53,946.92-80,921.14-20,668.68

Finding the Fourth Proportional to 53,946.92, 80,921.14 and 20,668.68

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Solution

The fourth proportional to 53,946.92, 80,921.14 and 20,668.68 is: 31,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,946.92 : 80,921.14 = 20,668.68 : x
  2. Step 2: Convert to fraction form
    53,946.92/80,921.14 = 20,668.68/x
  3. Step 3: Cross multiply
    53,946.92x = 80,921.14 × 20,668.68
  4. Step 4: Simplify right side
    53,946.92x = 1,672,533,096.22
  5. Step 5: Solve for x
    x = 1,672,533,096.22/53,946.92
  6. Step 6: Final answer
    x = 31,003.31

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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.