Home / 40,132.89-55,420.62-30,043.82

Finding the Fourth Proportional to 40,132.89, 55,420.62 and 30,043.82

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Solution

The fourth proportional to 40,132.89, 55,420.62 and 30,043.82 is: 41,488.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,132.89 : 55,420.62 = 30,043.82 : x
  2. Step 2: Convert to fraction form
    40,132.89/55,420.62 = 30,043.82/x
  3. Step 3: Cross multiply
    40,132.89x = 55,420.62 × 30,043.82
  4. Step 4: Simplify right side
    40,132.89x = 1,665,047,092.65
  5. Step 5: Solve for x
    x = 1,665,047,092.65/40,132.89
  6. Step 6: Final answer
    x = 41,488.34

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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.