Home / 53,564.49-80,335.80-20,273.09

Finding the Fourth Proportional to 53,564.49, 80,335.80 and 20,273.09

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Solution

The fourth proportional to 53,564.49, 80,335.80 and 20,273.09 is: 30,405.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,564.49 : 80,335.80 = 20,273.09 : x
  2. Step 2: Convert to fraction form
    53,564.49/80,335.80 = 20,273.09/x
  3. Step 3: Cross multiply
    53,564.49x = 80,335.80 × 20,273.09
  4. Step 4: Simplify right side
    53,564.49x = 1,628,654,501.94
  5. Step 5: Solve for x
    x = 1,628,654,501.94/53,564.49
  6. Step 6: Final answer
    x = 30,405.49

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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.