Home / 43,574.34-65,355.33-13,988.34

Finding the Fourth Proportional to 43,574.34, 65,355.33 and 13,988.34

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Solution

The fourth proportional to 43,574.34, 65,355.33 and 13,988.34 is: 20,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.34 : 65,355.33 = 13,988.34 : x
  2. Step 2: Convert to fraction form
    43,574.34/65,355.33 = 13,988.34/x
  3. Step 3: Cross multiply
    43,574.34x = 65,355.33 × 13,988.34
  4. Step 4: Simplify right side
    43,574.34x = 914,212,576.85
  5. Step 5: Solve for x
    x = 914,212,576.85/43,574.34
  6. Step 6: Final answer
    x = 20,980.53

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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.