Home / 29,489.19-40,683.92-18,877.11

Finding the Fourth Proportional to 29,489.19, 40,683.92 and 18,877.11

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Solution

The fourth proportional to 29,489.19, 40,683.92 and 18,877.11 is: 26,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,489.19 : 40,683.92 = 18,877.11 : x
  2. Step 2: Convert to fraction form
    29,489.19/40,683.92 = 18,877.11/x
  3. Step 3: Cross multiply
    29,489.19x = 40,683.92 × 18,877.11
  4. Step 4: Simplify right side
    29,489.19x = 767,994,738.69
  5. Step 5: Solve for x
    x = 767,994,738.69/29,489.19
  6. Step 6: Final answer
    x = 26,043.26

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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.