Home / 34,149.28-47,127.44-20,000.16

Finding the Fourth Proportional to 34,149.28, 47,127.44 and 20,000.16

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Solution

The fourth proportional to 34,149.28, 47,127.44 and 20,000.16 is: 27,601.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,149.28 : 47,127.44 = 20,000.16 : x
  2. Step 2: Convert to fraction form
    34,149.28/47,127.44 = 20,000.16/x
  3. Step 3: Cross multiply
    34,149.28x = 47,127.44 × 20,000.16
  4. Step 4: Simplify right side
    34,149.28x = 942,556,340.39
  5. Step 5: Solve for x
    x = 942,556,340.39/34,149.28
  6. Step 6: Final answer
    x = 27,601.06

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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.