Home / 40,026.98-55,237.24-22,121.99

Finding the Fourth Proportional to 40,026.98, 55,237.24 and 22,121.99

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Solution

The fourth proportional to 40,026.98, 55,237.24 and 22,121.99 is: 30,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,026.98 : 55,237.24 = 22,121.99 : x
  2. Step 2: Convert to fraction form
    40,026.98/55,237.24 = 22,121.99/x
  3. Step 3: Cross multiply
    40,026.98x = 55,237.24 × 22,121.99
  4. Step 4: Simplify right side
    40,026.98x = 1,221,957,394.72
  5. Step 5: Solve for x
    x = 1,221,957,394.72/40,026.98
  6. Step 6: Final answer
    x = 30,528.34

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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.