Home / 55,272.04-82,846.50-21,983.20

Finding the Fourth Proportional to 55,272.04, 82,846.50 and 21,983.20

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Solution

The fourth proportional to 55,272.04, 82,846.50 and 21,983.20 is: 32,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,272.04 : 82,846.50 = 21,983.20 : x
  2. Step 2: Convert to fraction form
    55,272.04/82,846.50 = 21,983.20/x
  3. Step 3: Cross multiply
    55,272.04x = 82,846.50 × 21,983.20
  4. Step 4: Simplify right side
    55,272.04x = 1,821,231,178.80
  5. Step 5: Solve for x
    x = 1,821,231,178.80/55,272.04
  6. Step 6: Final answer
    x = 32,950.32

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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.