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Finding the Fourth Proportional to 53,620.52, 80,426.84 and 22,022.01

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Solution

The fourth proportional to 53,620.52, 80,426.84 and 22,022.01 is: 33,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,620.52 : 80,426.84 = 22,022.01 : x
  2. Step 2: Convert to fraction form
    53,620.52/80,426.84 = 22,022.01/x
  3. Step 3: Cross multiply
    53,620.52x = 80,426.84 × 22,022.01
  4. Step 4: Simplify right side
    53,620.52x = 1,771,160,564.64
  5. Step 5: Solve for x
    x = 1,771,160,564.64/53,620.52
  6. Step 6: Final answer
    x = 33,031.40

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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.