Home / 56,961.78-85,457.26-17,519.24

Finding the Fourth Proportional to 56,961.78, 85,457.26 and 17,519.24

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Solution

The fourth proportional to 56,961.78, 85,457.26 and 17,519.24 is: 26,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.78 : 85,457.26 = 17,519.24 : x
  2. Step 2: Convert to fraction form
    56,961.78/85,457.26 = 17,519.24/x
  3. Step 3: Cross multiply
    56,961.78x = 85,457.26 × 17,519.24
  4. Step 4: Simplify right side
    56,961.78x = 1,497,146,247.68
  5. Step 5: Solve for x
    x = 1,497,146,247.68/56,961.78
  6. Step 6: Final answer
    x = 26,283.35

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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.