Home / 34,632.68-47,793.12-20,486.48

Finding the Fourth Proportional to 34,632.68, 47,793.12 and 20,486.48

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Solution

The fourth proportional to 34,632.68, 47,793.12 and 20,486.48 is: 28,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,632.68 : 47,793.12 = 20,486.48 : x
  2. Step 2: Convert to fraction form
    34,632.68/47,793.12 = 20,486.48/x
  3. Step 3: Cross multiply
    34,632.68x = 47,793.12 × 20,486.48
  4. Step 4: Simplify right side
    34,632.68x = 979,112,797.02
  5. Step 5: Solve for x
    x = 979,112,797.02/34,632.68
  6. Step 6: Final answer
    x = 28,271.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.