Home / 29,323.20-43,984.80-7,136.40

Finding the Fourth Proportional to 29,323.20, 43,984.80 and 7,136.40

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Solution

The fourth proportional to 29,323.20, 43,984.80 and 7,136.40 is: 10,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.20 : 43,984.80 = 7,136.40 : x
  2. Step 2: Convert to fraction form
    29,323.20/43,984.80 = 7,136.40/x
  3. Step 3: Cross multiply
    29,323.20x = 43,984.80 × 7,136.40
  4. Step 4: Simplify right side
    29,323.20x = 313,893,126.72
  5. Step 5: Solve for x
    x = 313,893,126.72/29,323.20
  6. Step 6: Final answer
    x = 10,704.60

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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.