Home / 35,932.80-53,899.20-12,556.80

Finding the Fourth Proportional to 35,932.80, 53,899.20 and 12,556.80

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Solution

The fourth proportional to 35,932.80, 53,899.20 and 12,556.80 is: 18,835.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,932.80 : 53,899.20 = 12,556.80 : x
  2. Step 2: Convert to fraction form
    35,932.80/53,899.20 = 12,556.80/x
  3. Step 3: Cross multiply
    35,932.80x = 53,899.20 × 12,556.80
  4. Step 4: Simplify right side
    35,932.80x = 676,801,474.56
  5. Step 5: Solve for x
    x = 676,801,474.56/35,932.80
  6. Step 6: Final answer
    x = 18,835.20

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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.