Home / 29,304.26-40,439.99-15,875.48

Finding the Fourth Proportional to 29,304.26, 40,439.99 and 15,875.48

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Solution

The fourth proportional to 29,304.26, 40,439.99 and 15,875.48 is: 21,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.26 : 40,439.99 = 15,875.48 : x
  2. Step 2: Convert to fraction form
    29,304.26/40,439.99 = 15,875.48/x
  3. Step 3: Cross multiply
    29,304.26x = 40,439.99 × 15,875.48
  4. Step 4: Simplify right side
    29,304.26x = 642,003,970.87
  5. Step 5: Solve for x
    x = 642,003,970.87/29,304.26
  6. Step 6: Final answer
    x = 21,908.21

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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.