Home / 43,564.46-65,355.19-13,980.02

Finding the Fourth Proportional to 43,564.46, 65,355.19 and 13,980.02

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Solution

The fourth proportional to 43,564.46, 65,355.19 and 13,980.02 is: 20,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.46 : 65,355.19 = 13,980.02 : x
  2. Step 2: Convert to fraction form
    43,564.46/65,355.19 = 13,980.02/x
  3. Step 3: Cross multiply
    43,564.46x = 65,355.19 × 13,980.02
  4. Step 4: Simplify right side
    43,564.46x = 913,666,554.00
  5. Step 5: Solve for x
    x = 913,666,554.00/43,564.46
  6. Step 6: Final answer
    x = 20,972.75

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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.