Home / 55,963.04-83,956.61-18,521.21

Finding the Fourth Proportional to 55,963.04, 83,956.61 and 18,521.21

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Solution

The fourth proportional to 55,963.04, 83,956.61 and 18,521.21 is: 27,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.04 : 83,956.61 = 18,521.21 : x
  2. Step 2: Convert to fraction form
    55,963.04/83,956.61 = 18,521.21/x
  3. Step 3: Cross multiply
    55,963.04x = 83,956.61 × 18,521.21
  4. Step 4: Simplify right side
    55,963.04x = 1,554,978,260.89
  5. Step 5: Solve for x
    x = 1,554,978,260.89/55,963.04
  6. Step 6: Final answer
    x = 27,785.81

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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.