Home / 55,758.08-83,583.36-18,801.92

Finding the Fourth Proportional to 55,758.08, 83,583.36 and 18,801.92

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Solution

The fourth proportional to 55,758.08, 83,583.36 and 18,801.92 is: 28,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,758.08 : 83,583.36 = 18,801.92 : x
  2. Step 2: Convert to fraction form
    55,758.08/83,583.36 = 18,801.92/x
  3. Step 3: Cross multiply
    55,758.08x = 83,583.36 × 18,801.92
  4. Step 4: Simplify right side
    55,758.08x = 1,571,527,648.05
  5. Step 5: Solve for x
    x = 1,571,527,648.05/55,758.08
  6. Step 6: Final answer
    x = 28,184.75

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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.