Home / 55,846.08-83,778.12-18,395.28

Finding the Fourth Proportional to 55,846.08, 83,778.12 and 18,395.28

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Solution

The fourth proportional to 55,846.08, 83,778.12 and 18,395.28 is: 27,595.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,846.08 : 83,778.12 = 18,395.28 : x
  2. Step 2: Convert to fraction form
    55,846.08/83,778.12 = 18,395.28/x
  3. Step 3: Cross multiply
    55,846.08x = 83,778.12 × 18,395.28
  4. Step 4: Simplify right side
    55,846.08x = 1,541,121,975.27
  5. Step 5: Solve for x
    x = 1,541,121,975.27/55,846.08
  6. Step 6: Final answer
    x = 27,595.88

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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.