Home / 56,733.99-85,090.92-21,187.35

Finding the Fourth Proportional to 56,733.99, 85,090.92 and 21,187.35

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Solution

The fourth proportional to 56,733.99, 85,090.92 and 21,187.35 is: 31,777.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,733.99 : 85,090.92 = 21,187.35 : x
  2. Step 2: Convert to fraction form
    56,733.99/85,090.92 = 21,187.35/x
  3. Step 3: Cross multiply
    56,733.99x = 85,090.92 × 21,187.35
  4. Step 4: Simplify right side
    56,733.99x = 1,802,851,103.86
  5. Step 5: Solve for x
    x = 1,802,851,103.86/56,733.99
  6. Step 6: Final answer
    x = 31,777.27

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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.