Home / 43,469.65-65,218.47-19,785.67

Finding the Fourth Proportional to 43,469.65, 65,218.47 and 19,785.67

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Solution

The fourth proportional to 43,469.65, 65,218.47 and 19,785.67 is: 29,684.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,469.65 : 65,218.47 = 19,785.67 : x
  2. Step 2: Convert to fraction form
    43,469.65/65,218.47 = 19,785.67/x
  3. Step 3: Cross multiply
    43,469.65x = 65,218.47 × 19,785.67
  4. Step 4: Simplify right side
    43,469.65x = 1,290,391,125.32
  5. Step 5: Solve for x
    x = 1,290,391,125.32/43,469.65
  6. Step 6: Final answer
    x = 29,684.87

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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.