Home / 56,945.62-85,420.73-21,403.23

Finding the Fourth Proportional to 56,945.62, 85,420.73 and 21,403.23

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Solution

The fourth proportional to 56,945.62, 85,420.73 and 21,403.23 is: 32,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,945.62 : 85,420.73 = 21,403.23 : x
  2. Step 2: Convert to fraction form
    56,945.62/85,420.73 = 21,403.23/x
  3. Step 3: Cross multiply
    56,945.62x = 85,420.73 × 21,403.23
  4. Step 4: Simplify right side
    56,945.62x = 1,828,279,530.96
  5. Step 5: Solve for x
    x = 1,828,279,530.96/56,945.62
  6. Step 6: Final answer
    x = 32,105.71

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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.