Home / 56,090.43-84,110.97-21,005.46

Finding the Fourth Proportional to 56,090.43, 84,110.97 and 21,005.46

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Solution

The fourth proportional to 56,090.43, 84,110.97 and 21,005.46 is: 31,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.43 : 84,110.97 = 21,005.46 : x
  2. Step 2: Convert to fraction form
    56,090.43/84,110.97 = 21,005.46/x
  3. Step 3: Cross multiply
    56,090.43x = 84,110.97 × 21,005.46
  4. Step 4: Simplify right side
    56,090.43x = 1,766,789,615.90
  5. Step 5: Solve for x
    x = 1,766,789,615.90/56,090.43
  6. Step 6: Final answer
    x = 31,498.95

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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.