Home / 55,813.56-83,732.64-18,372.12

Finding the Fourth Proportional to 55,813.56, 83,732.64 and 18,372.12

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Solution

The fourth proportional to 55,813.56, 83,732.64 and 18,372.12 is: 27,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,813.56 : 83,732.64 = 18,372.12 : x
  2. Step 2: Convert to fraction form
    55,813.56/83,732.64 = 18,372.12/x
  3. Step 3: Cross multiply
    55,813.56x = 83,732.64 × 18,372.12
  4. Step 4: Simplify right side
    55,813.56x = 1,538,346,110.00
  5. Step 5: Solve for x
    x = 1,538,346,110.00/55,813.56
  6. Step 6: Final answer
    x = 27,562.23

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1.5x scale

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.