Home / 35,914.60-49,556.32-20,808.64

Finding the Fourth Proportional to 35,914.60, 49,556.32 and 20,808.64

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Solution

The fourth proportional to 35,914.60, 49,556.32 and 20,808.64 is: 28,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.60 : 49,556.32 = 20,808.64 : x
  2. Step 2: Convert to fraction form
    35,914.60/49,556.32 = 20,808.64/x
  3. Step 3: Cross multiply
    35,914.60x = 49,556.32 × 20,808.64
  4. Step 4: Simplify right side
    35,914.60x = 1,031,199,622.60
  5. Step 5: Solve for x
    x = 1,031,199,622.60/35,914.60
  6. Step 6: Final answer
    x = 28,712.55

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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.