Home / 43,972.50-65,958.75-11,140.50

Finding the Fourth Proportional to 43,972.50, 65,958.75 and 11,140.50

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Solution

The fourth proportional to 43,972.50, 65,958.75 and 11,140.50 is: 16,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,972.50 : 65,958.75 = 11,140.50 : x
  2. Step 2: Convert to fraction form
    43,972.50/65,958.75 = 11,140.50/x
  3. Step 3: Cross multiply
    43,972.50x = 65,958.75 × 11,140.50
  4. Step 4: Simplify right side
    43,972.50x = 734,813,454.38
  5. Step 5: Solve for x
    x = 734,813,454.38/43,972.50
  6. Step 6: Final answer
    x = 16,710.75

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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.