Home / 55,429.45-83,156.46-15,983.49

Finding the Fourth Proportional to 55,429.45, 83,156.46 and 15,983.49

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Solution

The fourth proportional to 55,429.45, 83,156.46 and 15,983.49 is: 23,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.45 : 83,156.46 = 15,983.49 : x
  2. Step 2: Convert to fraction form
    55,429.45/83,156.46 = 15,983.49/x
  3. Step 3: Cross multiply
    55,429.45x = 83,156.46 × 15,983.49
  4. Step 4: Simplify right side
    55,429.45x = 1,329,130,446.85
  5. Step 5: Solve for x
    x = 1,329,130,446.85/55,429.45
  6. Step 6: Final answer
    x = 23,978.78

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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.