Home / 40,387.01-55,739.30-23,166.10

Finding the Fourth Proportional to 40,387.01, 55,739.30 and 23,166.10

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Solution

The fourth proportional to 40,387.01, 55,739.30 and 23,166.10 is: 31,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,387.01 : 55,739.30 = 23,166.10 : x
  2. Step 2: Convert to fraction form
    40,387.01/55,739.30 = 23,166.10/x
  3. Step 3: Cross multiply
    40,387.01x = 55,739.30 × 23,166.10
  4. Step 4: Simplify right side
    40,387.01x = 1,291,262,197.73
  5. Step 5: Solve for x
    x = 1,291,262,197.73/40,387.01
  6. Step 6: Final answer
    x = 31,972.22

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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.