Home / 43,370.29-65,055.45-12,205.54

Finding the Fourth Proportional to 43,370.29, 65,055.45 and 12,205.54

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Solution

The fourth proportional to 43,370.29, 65,055.45 and 12,205.54 is: 18,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,370.29 : 65,055.45 = 12,205.54 : x
  2. Step 2: Convert to fraction form
    43,370.29/65,055.45 = 12,205.54/x
  3. Step 3: Cross multiply
    43,370.29x = 65,055.45 × 12,205.54
  4. Step 4: Simplify right side
    43,370.29x = 794,036,510.89
  5. Step 5: Solve for x
    x = 794,036,510.89/43,370.29
  6. Step 6: Final answer
    x = 18,308.31

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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.