Home / 45,175.72-67,676.08-21,818.56

Finding the Fourth Proportional to 45,175.72, 67,676.08 and 21,818.56

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Solution

The fourth proportional to 45,175.72, 67,676.08 and 21,818.56 is: 32,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,175.72 : 67,676.08 = 21,818.56 : x
  2. Step 2: Convert to fraction form
    45,175.72/67,676.08 = 21,818.56/x
  3. Step 3: Cross multiply
    45,175.72x = 67,676.08 × 21,818.56
  4. Step 4: Simplify right side
    45,175.72x = 1,476,594,612.04
  5. Step 5: Solve for x
    x = 1,476,594,612.04/45,175.72
  6. Step 6: Final answer
    x = 32,685.58

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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.