Home / 55,380.23-83,052.92-17,931.65

Finding the Fourth Proportional to 55,380.23, 83,052.92 and 17,931.65

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Solution

The fourth proportional to 55,380.23, 83,052.92 and 17,931.65 is: 26,891.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.23 : 83,052.92 = 17,931.65 : x
  2. Step 2: Convert to fraction form
    55,380.23/83,052.92 = 17,931.65/x
  3. Step 3: Cross multiply
    55,380.23x = 83,052.92 × 17,931.65
  4. Step 4: Simplify right side
    55,380.23x = 1,489,276,172.81
  5. Step 5: Solve for x
    x = 1,489,276,172.81/55,380.23
  6. Step 6: Final answer
    x = 26,891.84

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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.