Home / 34,076.35-47,027.64-20,648.93

Finding the Fourth Proportional to 34,076.35, 47,027.64 and 20,648.93

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Solution

The fourth proportional to 34,076.35, 47,027.64 and 20,648.93 is: 28,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,076.35 : 47,027.64 = 20,648.93 : x
  2. Step 2: Convert to fraction form
    34,076.35/47,027.64 = 20,648.93/x
  3. Step 3: Cross multiply
    34,076.35x = 47,027.64 × 20,648.93
  4. Step 4: Simplify right side
    34,076.35x = 971,070,172.57
  5. Step 5: Solve for x
    x = 971,070,172.57/34,076.35
  6. Step 6: Final answer
    x = 28,496.90

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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.