Home / 55,448.36-83,171.82-13,895.72

Finding the Fourth Proportional to 55,448.36, 83,171.82 and 13,895.72

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Solution

The fourth proportional to 55,448.36, 83,171.82 and 13,895.72 is: 20,843.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,448.36 : 83,171.82 = 13,895.72 : x
  2. Step 2: Convert to fraction form
    55,448.36/83,171.82 = 13,895.72/x
  3. Step 3: Cross multiply
    55,448.36x = 83,171.82 × 13,895.72
  4. Step 4: Simplify right side
    55,448.36x = 1,155,732,322.61
  5. Step 5: Solve for x
    x = 1,155,732,322.61/55,448.36
  6. Step 6: Final answer
    x = 20,843.40

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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.