Home / 43,455.08-65,189.67-13,462.31

Finding the Fourth Proportional to 43,455.08, 65,189.67 and 13,462.31

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Solution

The fourth proportional to 43,455.08, 65,189.67 and 13,462.31 is: 20,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,455.08 : 65,189.67 = 13,462.31 : x
  2. Step 2: Convert to fraction form
    43,455.08/65,189.67 = 13,462.31/x
  3. Step 3: Cross multiply
    43,455.08x = 65,189.67 × 13,462.31
  4. Step 4: Simplify right side
    43,455.08x = 877,603,546.34
  5. Step 5: Solve for x
    x = 877,603,546.34/43,455.08
  6. Step 6: Final answer
    x = 20,195.65

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1.5x scale

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.