Home / 39,621-54,676.98-23,706.12

Finding the Fourth Proportional to 39,621, 54,676.98 and 23,706.12

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Solution

The fourth proportional to 39,621, 54,676.98 and 23,706.12 is: 32,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621 : 54,676.98 = 23,706.12 : x
  2. Step 2: Convert to fraction form
    39,621/54,676.98 = 23,706.12/x
  3. Step 3: Cross multiply
    39,621x = 54,676.98 × 23,706.12
  4. Step 4: Simplify right side
    39,621x = 1,296,179,049.12
  5. Step 5: Solve for x
    x = 1,296,179,049.12/39,621
  6. Step 6: Final answer
    x = 32,714.45

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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.