Home / 40,386.96-55,739.24-23,166.05

Finding the Fourth Proportional to 40,386.96, 55,739.24 and 23,166.05

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Solution

The fourth proportional to 40,386.96, 55,739.24 and 23,166.05 is: 31,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.96 : 55,739.24 = 23,166.05 : x
  2. Step 2: Convert to fraction form
    40,386.96/55,739.24 = 23,166.05/x
  3. Step 3: Cross multiply
    40,386.96x = 55,739.24 × 23,166.05
  4. Step 4: Simplify right side
    40,386.96x = 1,291,257,626.28
  5. Step 5: Solve for x
    x = 1,291,257,626.28/40,386.96
  6. Step 6: Final answer
    x = 31,972.14

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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.