Home / 35,385.56-53,076.96-13,198.89

Finding the Fourth Proportional to 35,385.56, 53,076.96 and 13,198.89

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Solution

The fourth proportional to 35,385.56, 53,076.96 and 13,198.89 is: 19,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,385.56 : 53,076.96 = 13,198.89 : x
  2. Step 2: Convert to fraction form
    35,385.56/53,076.96 = 13,198.89/x
  3. Step 3: Cross multiply
    35,385.56x = 53,076.96 × 13,198.89
  4. Step 4: Simplify right side
    35,385.56x = 700,556,956.57
  5. Step 5: Solve for x
    x = 700,556,956.57/35,385.56
  6. Step 6: Final answer
    x = 19,797.82

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1.5x scale

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.