Home / 55,666.32-83,481.66-18,216.24

Finding the Fourth Proportional to 55,666.32, 83,481.66 and 18,216.24

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Solution

The fourth proportional to 55,666.32, 83,481.66 and 18,216.24 is: 27,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.32 : 83,481.66 = 18,216.24 : x
  2. Step 2: Convert to fraction form
    55,666.32/83,481.66 = 18,216.24/x
  3. Step 3: Cross multiply
    55,666.32x = 83,481.66 × 18,216.24
  4. Step 4: Simplify right side
    55,666.32x = 1,520,721,954.16
  5. Step 5: Solve for x
    x = 1,520,721,954.16/55,666.32
  6. Step 6: Final answer
    x = 27,318.53

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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.