Home / 55,039.04-82,557.48-13,486.04

Finding the Fourth Proportional to 55,039.04, 82,557.48 and 13,486.04

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Solution

The fourth proportional to 55,039.04, 82,557.48 and 13,486.04 is: 20,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.04 : 82,557.48 = 13,486.04 : x
  2. Step 2: Convert to fraction form
    55,039.04/82,557.48 = 13,486.04/x
  3. Step 3: Cross multiply
    55,039.04x = 82,557.48 × 13,486.04
  4. Step 4: Simplify right side
    55,039.04x = 1,113,373,477.58
  5. Step 5: Solve for x
    x = 1,113,373,477.58/55,039.04
  6. Step 6: Final answer
    x = 20,228.80

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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.