Home / 53,521.52-80,293.55-20,240.84

Finding the Fourth Proportional to 53,521.52, 80,293.55 and 20,240.84

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Solution

The fourth proportional to 53,521.52, 80,293.55 and 20,240.84 is: 30,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,521.52 : 80,293.55 = 20,240.84 : x
  2. Step 2: Convert to fraction form
    53,521.52/80,293.55 = 20,240.84/x
  3. Step 3: Cross multiply
    53,521.52x = 80,293.55 × 20,240.84
  4. Step 4: Simplify right side
    53,521.52x = 1,625,208,998.11
  5. Step 5: Solve for x
    x = 1,625,208,998.11/53,521.52
  6. Step 6: Final answer
    x = 30,365.53

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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.