Home / 31,241.76-46,868.04-13,713.36

Finding the Fourth Proportional to 31,241.76, 46,868.04 and 13,713.36

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Solution

The fourth proportional to 31,241.76, 46,868.04 and 13,713.36 is: 20,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,241.76 : 46,868.04 = 13,713.36 : x
  2. Step 2: Convert to fraction form
    31,241.76/46,868.04 = 13,713.36/x
  3. Step 3: Cross multiply
    31,241.76x = 46,868.04 × 13,713.36
  4. Step 4: Simplify right side
    31,241.76x = 642,718,305.01
  5. Step 5: Solve for x
    x = 642,718,305.01/31,241.76
  6. Step 6: Final answer
    x = 20,572.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.