Home / 53,926.89-80,901.27-20,648.04

Finding the Fourth Proportional to 53,926.89, 80,901.27 and 20,648.04

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Solution

The fourth proportional to 53,926.89, 80,901.27 and 20,648.04 is: 30,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,926.89 : 80,901.27 = 20,648.04 : x
  2. Step 2: Convert to fraction form
    53,926.89/80,901.27 = 20,648.04/x
  3. Step 3: Cross multiply
    53,926.89x = 80,901.27 × 20,648.04
  4. Step 4: Simplify right side
    53,926.89x = 1,670,452,659.01
  5. Step 5: Solve for x
    x = 1,670,452,659.01/53,926.89
  6. Step 6: Final answer
    x = 30,976.25

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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.