Home / 50,136.48-75,206.80-28,090.32

Finding the Fourth Proportional to 50,136.48, 75,206.80 and 28,090.32

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Solution

The fourth proportional to 50,136.48, 75,206.80 and 28,090.32 is: 42,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,136.48 : 75,206.80 = 28,090.32 : x
  2. Step 2: Convert to fraction form
    50,136.48/75,206.80 = 28,090.32/x
  3. Step 3: Cross multiply
    50,136.48x = 75,206.80 × 28,090.32
  4. Step 4: Simplify right side
    50,136.48x = 2,112,583,078.18
  5. Step 5: Solve for x
    x = 2,112,583,078.18/50,136.48
  6. Step 6: Final answer
    x = 42,136.65

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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.