Home / 43,509.45-65,273.75-13,930.28

Finding the Fourth Proportional to 43,509.45, 65,273.75 and 13,930.28

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Solution

The fourth proportional to 43,509.45, 65,273.75 and 13,930.28 is: 20,898.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,509.45 : 65,273.75 = 13,930.28 : x
  2. Step 2: Convert to fraction form
    43,509.45/65,273.75 = 13,930.28/x
  3. Step 3: Cross multiply
    43,509.45x = 65,273.75 × 13,930.28
  4. Step 4: Simplify right side
    43,509.45x = 909,281,515.14
  5. Step 5: Solve for x
    x = 909,281,515.14/43,509.45
  6. Step 6: Final answer
    x = 20,898.48

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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.