Home / 54,434.22-81,638.90-14,994.78

Finding the Fourth Proportional to 54,434.22, 81,638.90 and 14,994.78

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Solution

The fourth proportional to 54,434.22, 81,638.90 and 14,994.78 is: 22,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,434.22 : 81,638.90 = 14,994.78 : x
  2. Step 2: Convert to fraction form
    54,434.22/81,638.90 = 14,994.78/x
  3. Step 3: Cross multiply
    54,434.22x = 81,638.90 × 14,994.78
  4. Step 4: Simplify right side
    54,434.22x = 1,224,157,344.94
  5. Step 5: Solve for x
    x = 1,224,157,344.94/54,434.22
  6. Step 6: Final answer
    x = 22,488.75

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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.