Home / 40,460.10-55,835.10-22,312.86

Finding the Fourth Proportional to 40,460.10, 55,835.10 and 22,312.86

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Solution

The fourth proportional to 40,460.10, 55,835.10 and 22,312.86 is: 30,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,460.10 : 55,835.10 = 22,312.86 : x
  2. Step 2: Convert to fraction form
    40,460.10/55,835.10 = 22,312.86/x
  3. Step 3: Cross multiply
    40,460.10x = 55,835.10 × 22,312.86
  4. Step 4: Simplify right side
    40,460.10x = 1,245,840,769.39
  5. Step 5: Solve for x
    x = 1,245,840,769.39/40,460.10
  6. Step 6: Final answer
    x = 30,791.84

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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.