Home / 40,222.02-60,313.44-12,136.80

Finding the Fourth Proportional to 40,222.02, 60,313.44 and 12,136.80

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Solution

The fourth proportional to 40,222.02, 60,313.44 and 12,136.80 is: 18,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,222.02 : 60,313.44 = 12,136.80 : x
  2. Step 2: Convert to fraction form
    40,222.02/60,313.44 = 12,136.80/x
  3. Step 3: Cross multiply
    40,222.02x = 60,313.44 × 12,136.80
  4. Step 4: Simplify right side
    40,222.02x = 732,012,158.59
  5. Step 5: Solve for x
    x = 732,012,158.59/40,222.02
  6. Step 6: Final answer
    x = 18,199.29

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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.