Home / 44,759.28-67,138.88-11,479.64

Finding the Fourth Proportional to 44,759.28, 67,138.88 and 11,479.64

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Solution

The fourth proportional to 44,759.28, 67,138.88 and 11,479.64 is: 17,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,759.28 : 67,138.88 = 11,479.64 : x
  2. Step 2: Convert to fraction form
    44,759.28/67,138.88 = 11,479.64/x
  3. Step 3: Cross multiply
    44,759.28x = 67,138.88 × 11,479.64
  4. Step 4: Simplify right side
    44,759.28x = 770,730,172.40
  5. Step 5: Solve for x
    x = 770,730,172.40/44,759.28
  6. Step 6: Final answer
    x = 17,219.45

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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.