Home / 53,270.43-79,898.10-21,694.26

Finding the Fourth Proportional to 53,270.43, 79,898.10 and 21,694.26

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Solution

The fourth proportional to 53,270.43, 79,898.10 and 21,694.26 is: 32,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.43 : 79,898.10 = 21,694.26 : x
  2. Step 2: Convert to fraction form
    53,270.43/79,898.10 = 21,694.26/x
  3. Step 3: Cross multiply
    53,270.43x = 79,898.10 × 21,694.26
  4. Step 4: Simplify right side
    53,270.43x = 1,733,330,373.17
  5. Step 5: Solve for x
    x = 1,733,330,373.17/53,270.43
  6. Step 6: Final answer
    x = 32,538.32

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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.