Home / 39,581.83-54,623.10-21,676.96

Finding the Fourth Proportional to 39,581.83, 54,623.10 and 21,676.96

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Solution

The fourth proportional to 39,581.83, 54,623.10 and 21,676.96 is: 29,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.83 : 54,623.10 = 21,676.96 : x
  2. Step 2: Convert to fraction form
    39,581.83/54,623.10 = 21,676.96/x
  3. Step 3: Cross multiply
    39,581.83x = 54,623.10 × 21,676.96
  4. Step 4: Simplify right side
    39,581.83x = 1,184,062,753.78
  5. Step 5: Solve for x
    x = 1,184,062,753.78/39,581.83
  6. Step 6: Final answer
    x = 29,914.30

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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.