Home / 35,186.88-48,556.48-21,031.36

Finding the Fourth Proportional to 35,186.88, 48,556.48 and 21,031.36

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Solution

The fourth proportional to 35,186.88, 48,556.48 and 21,031.36 is: 29,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,186.88 : 48,556.48 = 21,031.36 : x
  2. Step 2: Convert to fraction form
    35,186.88/48,556.48 = 21,031.36/x
  3. Step 3: Cross multiply
    35,186.88x = 48,556.48 × 21,031.36
  4. Step 4: Simplify right side
    35,186.88x = 1,021,208,811.21
  5. Step 5: Solve for x
    x = 1,021,208,811.21/35,186.88
  6. Step 6: Final answer
    x = 29,022.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.