Home / 34,167.34-47,149.86-20,029.60

Finding the Fourth Proportional to 34,167.34, 47,149.86 and 20,029.60

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Solution

The fourth proportional to 34,167.34, 47,149.86 and 20,029.60 is: 27,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,167.34 : 47,149.86 = 20,029.60 : x
  2. Step 2: Convert to fraction form
    34,167.34/47,149.86 = 20,029.60/x
  3. Step 3: Cross multiply
    34,167.34x = 47,149.86 × 20,029.60
  4. Step 4: Simplify right side
    34,167.34x = 944,392,835.86
  5. Step 5: Solve for x
    x = 944,392,835.86/34,167.34
  6. Step 6: Final answer
    x = 27,640.22

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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.