Home / 55,521.66-83,288.32-18,084.65

Finding the Fourth Proportional to 55,521.66, 83,288.32 and 18,084.65

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Solution

The fourth proportional to 55,521.66, 83,288.32 and 18,084.65 is: 27,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,521.66 : 83,288.32 = 18,084.65 : x
  2. Step 2: Convert to fraction form
    55,521.66/83,288.32 = 18,084.65/x
  3. Step 3: Cross multiply
    55,521.66x = 83,288.32 × 18,084.65
  4. Step 4: Simplify right side
    55,521.66x = 1,506,239,609.42
  5. Step 5: Solve for x
    x = 1,506,239,609.42/55,521.66
  6. Step 6: Final answer
    x = 27,128.87

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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.