Home / 56,748.54-85,119.57-21,691.74

Finding the Fourth Proportional to 56,748.54, 85,119.57 and 21,691.74

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Solution

The fourth proportional to 56,748.54, 85,119.57 and 21,691.74 is: 32,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,748.54 : 85,119.57 = 21,691.74 : x
  2. Step 2: Convert to fraction form
    56,748.54/85,119.57 = 21,691.74/x
  3. Step 3: Cross multiply
    56,748.54x = 85,119.57 × 21,691.74
  4. Step 4: Simplify right side
    56,748.54x = 1,846,391,581.35
  5. Step 5: Solve for x
    x = 1,846,391,581.35/56,748.54
  6. Step 6: Final answer
    x = 32,536.37

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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.