Home / 55,212.72-82,738.80-41,828.40

Finding the Fourth Proportional to 55,212.72, 82,738.80 and 41,828.40

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Solution

The fourth proportional to 55,212.72, 82,738.80 and 41,828.40 is: 62,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,212.72 : 82,738.80 = 41,828.40 : x
  2. Step 2: Convert to fraction form
    55,212.72/82,738.80 = 41,828.40/x
  3. Step 3: Cross multiply
    55,212.72x = 82,738.80 × 41,828.40
  4. Step 4: Simplify right side
    55,212.72x = 3,460,831,621.92
  5. Step 5: Solve for x
    x = 3,460,831,621.92/55,212.72
  6. Step 6: Final answer
    x = 62,681.78

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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.