Home / 39,948.37-55,126.89-22,940.64

Finding the Fourth Proportional to 39,948.37, 55,126.89 and 22,940.64

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Solution

The fourth proportional to 39,948.37, 55,126.89 and 22,940.64 is: 31,657.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,948.37 : 55,126.89 = 22,940.64 : x
  2. Step 2: Convert to fraction form
    39,948.37/55,126.89 = 22,940.64/x
  3. Step 3: Cross multiply
    39,948.37x = 55,126.89 × 22,940.64
  4. Step 4: Simplify right side
    39,948.37x = 1,264,645,999.99
  5. Step 5: Solve for x
    x = 1,264,645,999.99/39,948.37
  6. Step 6: Final answer
    x = 31,657.02

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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.