Home / 56,110.64-84,144.08-21,031.16

Finding the Fourth Proportional to 56,110.64, 84,144.08 and 21,031.16

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Solution

The fourth proportional to 56,110.64, 84,144.08 and 21,031.16 is: 31,538.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,110.64 : 84,144.08 = 21,031.16 : x
  2. Step 2: Convert to fraction form
    56,110.64/84,144.08 = 21,031.16/x
  3. Step 3: Cross multiply
    56,110.64x = 84,144.08 × 21,031.16
  4. Step 4: Simplify right side
    56,110.64x = 1,769,647,241.39
  5. Step 5: Solve for x
    x = 1,769,647,241.39/56,110.64
  6. Step 6: Final answer
    x = 31,538.54

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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.