Home / 33,155.38-49,733.60-18,457.72

Finding the Fourth Proportional to 33,155.38, 49,733.60 and 18,457.72

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Solution

The fourth proportional to 33,155.38, 49,733.60 and 18,457.72 is: 27,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,155.38 : 49,733.60 = 18,457.72 : x
  2. Step 2: Convert to fraction form
    33,155.38/49,733.60 = 18,457.72/x
  3. Step 3: Cross multiply
    33,155.38x = 49,733.60 × 18,457.72
  4. Step 4: Simplify right side
    33,155.38x = 917,968,739.06
  5. Step 5: Solve for x
    x = 917,968,739.06/33,155.38
  6. Step 6: Final answer
    x = 27,686.87

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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.