Home / 64,278.72-96,415.20-17,531.44

Finding the Fourth Proportional to 64,278.72, 96,415.20 and 17,531.44

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Solution

The fourth proportional to 64,278.72, 96,415.20 and 17,531.44 is: 26,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,278.72 : 96,415.20 = 17,531.44 : x
  2. Step 2: Convert to fraction form
    64,278.72/96,415.20 = 17,531.44/x
  3. Step 3: Cross multiply
    64,278.72x = 96,415.20 × 17,531.44
  4. Step 4: Simplify right side
    64,278.72x = 1,690,297,293.89
  5. Step 5: Solve for x
    x = 1,690,297,293.89/64,278.72
  6. Step 6: Final answer
    x = 26,296.37

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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.