Home / 40,176.98-55,439.13-22,271.83

Finding the Fourth Proportional to 40,176.98, 55,439.13 and 22,271.83

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Solution

The fourth proportional to 40,176.98, 55,439.13 and 22,271.83 is: 30,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.98 : 55,439.13 = 22,271.83 : x
  2. Step 2: Convert to fraction form
    40,176.98/55,439.13 = 22,271.83/x
  3. Step 3: Cross multiply
    40,176.98x = 55,439.13 × 22,271.83
  4. Step 4: Simplify right side
    40,176.98x = 1,234,730,823.63
  5. Step 5: Solve for x
    x = 1,234,730,823.63/40,176.98
  6. Step 6: Final answer
    x = 30,732.30

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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.