Home / 43,666.78-65,555.52-36,360.58

Finding the Fourth Proportional to 43,666.78, 65,555.52 and 36,360.58

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Solution

The fourth proportional to 43,666.78, 65,555.52 and 36,360.58 is: 54,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,666.78 : 65,555.52 = 36,360.58 : x
  2. Step 2: Convert to fraction form
    43,666.78/65,555.52 = 36,360.58/x
  3. Step 3: Cross multiply
    43,666.78x = 65,555.52 × 36,360.58
  4. Step 4: Simplify right side
    43,666.78x = 2,383,636,729.40
  5. Step 5: Solve for x
    x = 2,383,636,729.40/43,666.78
  6. Step 6: Final answer
    x = 54,586.96

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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.