Home / 33,379.08-50,066.05-20,731.40

Finding the Fourth Proportional to 33,379.08, 50,066.05 and 20,731.40

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Solution

The fourth proportional to 33,379.08, 50,066.05 and 20,731.40 is: 31,095.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,379.08 : 50,066.05 = 20,731.40 : x
  2. Step 2: Convert to fraction form
    33,379.08/50,066.05 = 20,731.40/x
  3. Step 3: Cross multiply
    33,379.08x = 50,066.05 × 20,731.40
  4. Step 4: Simplify right side
    33,379.08x = 1,037,939,308.97
  5. Step 5: Solve for x
    x = 1,037,939,308.97/33,379.08
  6. Step 6: Final answer
    x = 31,095.50

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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.