Home / 32,939.87-49,349.66-20,435.09

Finding the Fourth Proportional to 32,939.87, 49,349.66 and 20,435.09

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Solution

The fourth proportional to 32,939.87, 49,349.66 and 20,435.09 is: 30,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.87 : 49,349.66 = 20,435.09 : x
  2. Step 2: Convert to fraction form
    32,939.87/49,349.66 = 20,435.09/x
  3. Step 3: Cross multiply
    32,939.87x = 49,349.66 × 20,435.09
  4. Step 4: Simplify right side
    32,939.87x = 1,008,464,394.65
  5. Step 5: Solve for x
    x = 1,008,464,394.65/32,939.87
  6. Step 6: Final answer
    x = 30,615.32

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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.