Home / 40,576.78-55,996.41-22,429.75

Finding the Fourth Proportional to 40,576.78, 55,996.41 and 22,429.75

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Solution

The fourth proportional to 40,576.78, 55,996.41 and 22,429.75 is: 30,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,576.78 : 55,996.41 = 22,429.75 : x
  2. Step 2: Convert to fraction form
    40,576.78/55,996.41 = 22,429.75/x
  3. Step 3: Cross multiply
    40,576.78x = 55,996.41 × 22,429.75
  4. Step 4: Simplify right side
    40,576.78x = 1,255,985,477.20
  5. Step 5: Solve for x
    x = 1,255,985,477.20/40,576.78
  6. Step 6: Final answer
    x = 30,953.31

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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.