Home / 55,849.04-83,785.92-18,420.68

Finding the Fourth Proportional to 55,849.04, 83,785.92 and 18,420.68

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Solution

The fourth proportional to 55,849.04, 83,785.92 and 18,420.68 is: 27,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,849.04 : 83,785.92 = 18,420.68 : x
  2. Step 2: Convert to fraction form
    55,849.04/83,785.92 = 18,420.68/x
  3. Step 3: Cross multiply
    55,849.04x = 83,785.92 × 18,420.68
  4. Step 4: Simplify right side
    55,849.04x = 1,543,393,620.83
  5. Step 5: Solve for x
    x = 1,543,393,620.83/55,849.04
  6. Step 6: Final answer
    x = 27,635.10

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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.