Home / 39,712.64-54,804.36-22,718.48

Finding the Fourth Proportional to 39,712.64, 54,804.36 and 22,718.48

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Solution

The fourth proportional to 39,712.64, 54,804.36 and 22,718.48 is: 31,352.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.64 : 54,804.36 = 22,718.48 : x
  2. Step 2: Convert to fraction form
    39,712.64/54,804.36 = 22,718.48/x
  3. Step 3: Cross multiply
    39,712.64x = 54,804.36 × 22,718.48
  4. Step 4: Simplify right side
    39,712.64x = 1,245,071,756.57
  5. Step 5: Solve for x
    x = 1,245,071,756.57/39,712.64
  6. Step 6: Final answer
    x = 31,352.03

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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.