Home / 56,365.72-84,585.48-21,305.38

Finding the Fourth Proportional to 56,365.72, 84,585.48 and 21,305.38

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Solution

The fourth proportional to 56,365.72, 84,585.48 and 21,305.38 is: 31,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,365.72 : 84,585.48 = 21,305.38 : x
  2. Step 2: Convert to fraction form
    56,365.72/84,585.48 = 21,305.38/x
  3. Step 3: Cross multiply
    56,365.72x = 84,585.48 × 21,305.38
  4. Step 4: Simplify right side
    56,365.72x = 1,802,125,793.88
  5. Step 5: Solve for x
    x = 1,802,125,793.88/56,365.72
  6. Step 6: Final answer
    x = 31,972.02

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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.