Home / 50,668.64-75,996.48-21,080.96

Finding the Fourth Proportional to 50,668.64, 75,996.48 and 21,080.96

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Solution

The fourth proportional to 50,668.64, 75,996.48 and 21,080.96 is: 31,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,668.64 : 75,996.48 = 21,080.96 : x
  2. Step 2: Convert to fraction form
    50,668.64/75,996.48 = 21,080.96/x
  3. Step 3: Cross multiply
    50,668.64x = 75,996.48 × 21,080.96
  4. Step 4: Simplify right side
    50,668.64x = 1,602,078,755.02
  5. Step 5: Solve for x
    x = 1,602,078,755.02/50,668.64
  6. Step 6: Final answer
    x = 31,618.74

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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.