Home / 53,425.97-80,109.34-21,858.18

Finding the Fourth Proportional to 53,425.97, 80,109.34 and 21,858.18

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Solution

The fourth proportional to 53,425.97, 80,109.34 and 21,858.18 is: 32,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,425.97 : 80,109.34 = 21,858.18 : x
  2. Step 2: Convert to fraction form
    53,425.97/80,109.34 = 21,858.18/x
  3. Step 3: Cross multiply
    53,425.97x = 80,109.34 × 21,858.18
  4. Step 4: Simplify right side
    53,425.97x = 1,751,044,018.35
  5. Step 5: Solve for x
    x = 1,751,044,018.35/53,425.97
  6. Step 6: Final answer
    x = 32,775.15

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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.