Home / 43,376.19-65,063.07-13,795.80

Finding the Fourth Proportional to 43,376.19, 65,063.07 and 13,795.80

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Solution

The fourth proportional to 43,376.19, 65,063.07 and 13,795.80 is: 20,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,376.19 : 65,063.07 = 13,795.80 : x
  2. Step 2: Convert to fraction form
    43,376.19/65,063.07 = 13,795.80/x
  3. Step 3: Cross multiply
    43,376.19x = 65,063.07 × 13,795.80
  4. Step 4: Simplify right side
    43,376.19x = 897,597,101.11
  5. Step 5: Solve for x
    x = 897,597,101.11/43,376.19
  6. Step 6: Final answer
    x = 20,693.31

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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.