Home / 33,124.80-49,687.20-30,590.40

Finding the Fourth Proportional to 33,124.80, 49,687.20 and 30,590.40

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Solution

The fourth proportional to 33,124.80, 49,687.20 and 30,590.40 is: 45,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,124.80 : 49,687.20 = 30,590.40 : x
  2. Step 2: Convert to fraction form
    33,124.80/49,687.20 = 30,590.40/x
  3. Step 3: Cross multiply
    33,124.80x = 49,687.20 × 30,590.40
  4. Step 4: Simplify right side
    33,124.80x = 1,519,951,322.88
  5. Step 5: Solve for x
    x = 1,519,951,322.88/33,124.80
  6. Step 6: Final answer
    x = 45,885.60

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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.