Home / 50,136.12-75,175.02-18,973.80

Finding the Fourth Proportional to 50,136.12, 75,175.02 and 18,973.80

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Solution

The fourth proportional to 50,136.12, 75,175.02 and 18,973.80 is: 28,449.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.12 : 75,175.02 = 18,973.80 : x
  2. Step 2: Convert to fraction form
    50,136.12/75,175.02 = 18,973.80/x
  3. Step 3: Cross multiply
    50,136.12x = 75,175.02 × 18,973.80
  4. Step 4: Simplify right side
    50,136.12x = 1,426,355,794.48
  5. Step 5: Solve for x
    x = 1,426,355,794.48/50,136.12
  6. Step 6: Final answer
    x = 28,449.66

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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.