Home / 40,122.63-55,395.14-25,788.87

Finding the Fourth Proportional to 40,122.63, 55,395.14 and 25,788.87

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Solution

The fourth proportional to 40,122.63, 55,395.14 and 25,788.87 is: 35,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,122.63 : 55,395.14 = 25,788.87 : x
  2. Step 2: Convert to fraction form
    40,122.63/55,395.14 = 25,788.87/x
  3. Step 3: Cross multiply
    40,122.63x = 55,395.14 × 25,788.87
  4. Step 4: Simplify right side
    40,122.63x = 1,428,577,935.15
  5. Step 5: Solve for x
    x = 1,428,577,935.15/40,122.63
  6. Step 6: Final answer
    x = 35,605.29

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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.