Home / 55,418.18-83,138.95-17,975.34

Finding the Fourth Proportional to 55,418.18, 83,138.95 and 17,975.34

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Solution

The fourth proportional to 55,418.18, 83,138.95 and 17,975.34 is: 26,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,418.18 : 83,138.95 = 17,975.34 : x
  2. Step 2: Convert to fraction form
    55,418.18/83,138.95 = 17,975.34/x
  3. Step 3: Cross multiply
    55,418.18x = 83,138.95 × 17,975.34
  4. Step 4: Simplify right side
    55,418.18x = 1,494,450,893.49
  5. Step 5: Solve for x
    x = 1,494,450,893.49/55,418.18
  6. Step 6: Final answer
    x = 26,966.80

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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.