Home / 39,028.32-53,849.52-23,112

Finding the Fourth Proportional to 39,028.32, 53,849.52 and 23,112

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Solution

The fourth proportional to 39,028.32, 53,849.52 and 23,112 is: 31,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.32 : 53,849.52 = 23,112 : x
  2. Step 2: Convert to fraction form
    39,028.32/53,849.52 = 23,112/x
  3. Step 3: Cross multiply
    39,028.32x = 53,849.52 × 23,112
  4. Step 4: Simplify right side
    39,028.32x = 1,244,570,106.24
  5. Step 5: Solve for x
    x = 1,244,570,106.24/39,028.32
  6. Step 6: Final answer
    x = 31,888.90

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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.