Home / 55,435.14-83,140.56-15,983.70

Finding the Fourth Proportional to 55,435.14, 83,140.56 and 15,983.70

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Solution

The fourth proportional to 55,435.14, 83,140.56 and 15,983.70 is: 23,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,435.14 : 83,140.56 = 15,983.70 : x
  2. Step 2: Convert to fraction form
    55,435.14/83,140.56 = 15,983.70/x
  3. Step 3: Cross multiply
    55,435.14x = 83,140.56 × 15,983.70
  4. Step 4: Simplify right side
    55,435.14x = 1,328,893,768.87
  5. Step 5: Solve for x
    x = 1,328,893,768.87/55,435.14
  6. Step 6: Final answer
    x = 23,972.05

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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.