Home / 49,303.12-68,030.44-28,082.80

Finding the Fourth Proportional to 49,303.12, 68,030.44 and 28,082.80

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Solution

The fourth proportional to 49,303.12, 68,030.44 and 28,082.80 is: 38,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,303.12 : 68,030.44 = 28,082.80 : x
  2. Step 2: Convert to fraction form
    49,303.12/68,030.44 = 28,082.80/x
  3. Step 3: Cross multiply
    49,303.12x = 68,030.44 × 28,082.80
  4. Step 4: Simplify right side
    49,303.12x = 1,910,485,240.43
  5. Step 5: Solve for x
    x = 1,910,485,240.43/49,303.12
  6. Step 6: Final answer
    x = 38,749.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.