Home / 55,639.16-83,462.12-18,203.18

Finding the Fourth Proportional to 55,639.16, 83,462.12 and 18,203.18

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Solution

The fourth proportional to 55,639.16, 83,462.12 and 18,203.18 is: 27,305.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,639.16 : 83,462.12 = 18,203.18 : x
  2. Step 2: Convert to fraction form
    55,639.16/83,462.12 = 18,203.18/x
  3. Step 3: Cross multiply
    55,639.16x = 83,462.12 × 18,203.18
  4. Step 4: Simplify right side
    55,639.16x = 1,519,275,993.54
  5. Step 5: Solve for x
    x = 1,519,275,993.54/55,639.16
  6. Step 6: Final answer
    x = 27,305.88

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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.