Home / 55,603.85-83,408.27-18,166.21

Finding the Fourth Proportional to 55,603.85, 83,408.27 and 18,166.21

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Solution

The fourth proportional to 55,603.85, 83,408.27 and 18,166.21 is: 27,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.85 : 83,408.27 = 18,166.21 : x
  2. Step 2: Convert to fraction form
    55,603.85/83,408.27 = 18,166.21/x
  3. Step 3: Cross multiply
    55,603.85x = 83,408.27 × 18,166.21
  4. Step 4: Simplify right side
    55,603.85x = 1,515,211,849.20
  5. Step 5: Solve for x
    x = 1,515,211,849.20/55,603.85
  6. Step 6: Final answer
    x = 27,250.13

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1.5x scale

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.