Home / 43,440.83-65,166.61-15,355.09

Finding the Fourth Proportional to 43,440.83, 65,166.61 and 15,355.09

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Solution

The fourth proportional to 43,440.83, 65,166.61 and 15,355.09 is: 23,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,440.83 : 65,166.61 = 15,355.09 : x
  2. Step 2: Convert to fraction form
    43,440.83/65,166.61 = 15,355.09/x
  3. Step 3: Cross multiply
    43,440.83x = 65,166.61 × 15,355.09
  4. Step 4: Simplify right side
    43,440.83x = 1,000,638,758.94
  5. Step 5: Solve for x
    x = 1,000,638,758.94/43,440.83
  6. Step 6: Final answer
    x = 23,034.52

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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.