Home / 40,291.50-55,603.26-22,141.98

Finding the Fourth Proportional to 40,291.50, 55,603.26 and 22,141.98

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Solution

The fourth proportional to 40,291.50, 55,603.26 and 22,141.98 is: 30,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.50 : 55,603.26 = 22,141.98 : x
  2. Step 2: Convert to fraction form
    40,291.50/55,603.26 = 22,141.98/x
  3. Step 3: Cross multiply
    40,291.50x = 55,603.26 × 22,141.98
  4. Step 4: Simplify right side
    40,291.50x = 1,231,166,270.85
  5. Step 5: Solve for x
    x = 1,231,166,270.85/40,291.50
  6. Step 6: Final answer
    x = 30,556.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.