Home / 31,508.56-43,477.86-18,078.04

Finding the Fourth Proportional to 31,508.56, 43,477.86 and 18,078.04

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Solution

The fourth proportional to 31,508.56, 43,477.86 and 18,078.04 is: 24,945.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.56 : 43,477.86 = 18,078.04 : x
  2. Step 2: Convert to fraction form
    31,508.56/43,477.86 = 18,078.04/x
  3. Step 3: Cross multiply
    31,508.56x = 43,477.86 × 18,078.04
  4. Step 4: Simplify right side
    31,508.56x = 785,994,492.19
  5. Step 5: Solve for x
    x = 785,994,492.19/31,508.56
  6. Step 6: Final answer
    x = 24,945.43

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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.