Home / 39,076.32-58,588.56-12,771.84

Finding the Fourth Proportional to 39,076.32, 58,588.56 and 12,771.84

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Solution

The fourth proportional to 39,076.32, 58,588.56 and 12,771.84 is: 19,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076.32 : 58,588.56 = 12,771.84 : x
  2. Step 2: Convert to fraction form
    39,076.32/58,588.56 = 12,771.84/x
  3. Step 3: Cross multiply
    39,076.32x = 58,588.56 × 12,771.84
  4. Step 4: Simplify right side
    39,076.32x = 748,283,714.15
  5. Step 5: Solve for x
    x = 748,283,714.15/39,076.32
  6. Step 6: Final answer
    x = 19,149.29

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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.