Home / 40,136.08-60,199.80-12,053.20

Finding the Fourth Proportional to 40,136.08, 60,199.80 and 12,053.20

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Solution

The fourth proportional to 40,136.08, 60,199.80 and 12,053.20 is: 18,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,136.08 : 60,199.80 = 12,053.20 : x
  2. Step 2: Convert to fraction form
    40,136.08/60,199.80 = 12,053.20/x
  3. Step 3: Cross multiply
    40,136.08x = 60,199.80 × 12,053.20
  4. Step 4: Simplify right side
    40,136.08x = 725,600,229.36
  5. Step 5: Solve for x
    x = 725,600,229.36/40,136.08
  6. Step 6: Final answer
    x = 18,078.50

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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.