Home / 55,532.92-76,635.20-30,039.28

Finding the Fourth Proportional to 55,532.92, 76,635.20 and 30,039.28

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Solution

The fourth proportional to 55,532.92, 76,635.20 and 30,039.28 is: 41,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,532.92 : 76,635.20 = 30,039.28 : x
  2. Step 2: Convert to fraction form
    55,532.92/76,635.20 = 30,039.28/x
  3. Step 3: Cross multiply
    55,532.92x = 76,635.20 × 30,039.28
  4. Step 4: Simplify right side
    55,532.92x = 2,302,066,230.66
  5. Step 5: Solve for x
    x = 2,302,066,230.66/55,532.92
  6. Step 6: Final answer
    x = 41,454.08

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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.