Home / 43,355.99-65,034.23-13,369.86

Finding the Fourth Proportional to 43,355.99, 65,034.23 and 13,369.86

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Solution

The fourth proportional to 43,355.99, 65,034.23 and 13,369.86 is: 20,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,355.99 : 65,034.23 = 13,369.86 : x
  2. Step 2: Convert to fraction form
    43,355.99/65,034.23 = 13,369.86/x
  3. Step 3: Cross multiply
    43,355.99x = 65,034.23 × 13,369.86
  4. Step 4: Simplify right side
    43,355.99x = 869,498,483.46
  5. Step 5: Solve for x
    x = 869,498,483.46/43,355.99
  6. Step 6: Final answer
    x = 20,054.86

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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.