Home / 40,235.79-55,526-22,331.96

Finding the Fourth Proportional to 40,235.79, 55,526 and 22,331.96

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Solution

The fourth proportional to 40,235.79, 55,526 and 22,331.96 is: 30,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,235.79 : 55,526 = 22,331.96 : x
  2. Step 2: Convert to fraction form
    40,235.79/55,526 = 22,331.96/x
  3. Step 3: Cross multiply
    40,235.79x = 55,526 × 22,331.96
  4. Step 4: Simplify right side
    40,235.79x = 1,240,004,410.96
  5. Step 5: Solve for x
    x = 1,240,004,410.96/40,235.79
  6. Step 6: Final answer
    x = 30,818.44

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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.