Home / 56,446.93-84,640.15-18,994.56

Finding the Fourth Proportional to 56,446.93, 84,640.15 and 18,994.56

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Solution

The fourth proportional to 56,446.93, 84,640.15 and 18,994.56 is: 28,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,446.93 : 84,640.15 = 18,994.56 : x
  2. Step 2: Convert to fraction form
    56,446.93/84,640.15 = 18,994.56/x
  3. Step 3: Cross multiply
    56,446.93x = 84,640.15 × 18,994.56
  4. Step 4: Simplify right side
    56,446.93x = 1,607,702,407.58
  5. Step 5: Solve for x
    x = 1,607,702,407.58/56,446.93
  6. Step 6: Final answer
    x = 28,481.66

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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.