Home / 29,810.28-41,139.32-17,871.36

Finding the Fourth Proportional to 29,810.28, 41,139.32 and 17,871.36

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Solution

The fourth proportional to 29,810.28, 41,139.32 and 17,871.36 is: 24,663.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,810.28 : 41,139.32 = 17,871.36 : x
  2. Step 2: Convert to fraction form
    29,810.28/41,139.32 = 17,871.36/x
  3. Step 3: Cross multiply
    29,810.28x = 41,139.32 × 17,871.36
  4. Step 4: Simplify right side
    29,810.28x = 735,215,597.88
  5. Step 5: Solve for x
    x = 735,215,597.88/29,810.28
  6. Step 6: Final answer
    x = 24,663.16

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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.