Home / 33,246.10-49,905.60-20,780.20

Finding the Fourth Proportional to 33,246.10, 49,905.60 and 20,780.20

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Solution

The fourth proportional to 33,246.10, 49,905.60 and 20,780.20 is: 31,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,246.10 : 49,905.60 = 20,780.20 : x
  2. Step 2: Convert to fraction form
    33,246.10/49,905.60 = 20,780.20/x
  3. Step 3: Cross multiply
    33,246.10x = 49,905.60 × 20,780.20
  4. Step 4: Simplify right side
    33,246.10x = 1,037,048,349.12
  5. Step 5: Solve for x
    x = 1,037,048,349.12/33,246.10
  6. Step 6: Final answer
    x = 31,193.08

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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.