Home / 43,367.13-65,050.90-13,381.00

Finding the Fourth Proportional to 43,367.13, 65,050.90 and 13,381.00

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Solution

The fourth proportional to 43,367.13, 65,050.90 and 13,381.00 is: 20,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.13 : 65,050.90 = 13,381.00 : x
  2. Step 2: Convert to fraction form
    43,367.13/65,050.90 = 13,381.00/x
  3. Step 3: Cross multiply
    43,367.13x = 65,050.90 × 13,381.00
  4. Step 4: Simplify right side
    43,367.13x = 870,445,896.82
  5. Step 5: Solve for x
    x = 870,445,896.82/43,367.13
  6. Step 6: Final answer
    x = 20,071.56

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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.