Home / 40,156.40-55,418.06-22,251.03

Finding the Fourth Proportional to 40,156.40, 55,418.06 and 22,251.03

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Solution

The fourth proportional to 40,156.40, 55,418.06 and 22,251.03 is: 30,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,156.40 : 55,418.06 = 22,251.03 : x
  2. Step 2: Convert to fraction form
    40,156.40/55,418.06 = 22,251.03/x
  3. Step 3: Cross multiply
    40,156.40x = 55,418.06 × 22,251.03
  4. Step 4: Simplify right side
    40,156.40x = 1,233,108,804.35
  5. Step 5: Solve for x
    x = 1,233,108,804.35/40,156.40
  6. Step 6: Final answer
    x = 30,707.66

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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.