Home / 29,136.08-43,704.17-12,485.31

Finding the Fourth Proportional to 29,136.08, 43,704.17 and 12,485.31

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Solution

The fourth proportional to 29,136.08, 43,704.17 and 12,485.31 is: 18,727.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.08 : 43,704.17 = 12,485.31 : x
  2. Step 2: Convert to fraction form
    29,136.08/43,704.17 = 12,485.31/x
  3. Step 3: Cross multiply
    29,136.08x = 43,704.17 × 12,485.31
  4. Step 4: Simplify right side
    29,136.08x = 545,660,048.32
  5. Step 5: Solve for x
    x = 545,660,048.32/29,136.08
  6. Step 6: Final answer
    x = 18,727.99

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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.